1202111023 has 2 divisors, whose sum is σ = 1202111024. Its totient is φ = 1202111022.

The previous prime is 1202110979. The next prime is 1202111051. The reversal of 1202111023 is 3201112021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202111023 - 2²⁹ = 665240111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202110994 and 1202111012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202111083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601055511 + 601055512.

It is an arithmetic number, because the mean of its divisors is an integer number (601055512).

Almost surely, 2^1202111023 is an apocalyptic number.

1202111023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202111023 is an equidigital number, since it uses as much as digits as its factorization.

1202111023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1202111023 is about 34671.4727549898. The cubic root of 1202111023 is about 1063.2813421010.

Adding to 1202111023 its reverse (3201112021), we get a palindrome (4403223044).

It can be divided in two parts, 1202 and 111023, that added together give a square (112225 = 335²).

The spelling of 1202111023 in words is "one billion, two hundred two million, one hundred eleven thousand, twenty-three".