2111201011 has 2 divisors, whose sum is σ = 2111201012. Its totient is φ = 2111201010.

The previous prime is 2111201009. The next prime is 2111201047. The reversal of 2111201011 is 1101021112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111201011 - 2¹ = 2111201009 is a prime.

Together with 2111201009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2111202011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055600505 + 1055600506.

It is an arithmetic number, because the mean of its divisors is an integer number (1055600506).

Almost surely, 2^2111201011 is an apocalyptic number.

2111201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111201011 is an equidigital number, since it uses as much as digits as its factorization.

2111201011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 2111201011 is about 45947.8074667334. The cubic root of 2111201011 is about 1282.8519196316.

Adding to 2111201011 its reverse (1101021112), we get a palindrome (3212222123).

The spelling of 2111201011 in words is "two billion, one hundred eleven million, two hundred one thousand, eleven".