1221110014 has 4 divisors (see below), whose sum is σ = 1831665024. Its totient is φ = 610555006.

The previous prime is 1221109973. The next prime is 1221110071. The reversal of 1221110014 is 4100111221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1221110014² = 2982219332582160392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1221109976 and 1221110003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305277502 + ... + 305277505.

It is an arithmetic number, because the mean of its divisors is an integer number (457916256).

Almost surely, 2^1221110014 is an apocalyptic number.

1221110014 is a deficient number, since it is larger than the sum of its proper divisors (610555010).

1221110014 is an equidigital number, since it uses as much as digits as its factorization.

1221110014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610555009.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1221110014 is about 34944.3845846511. The cubic root of 1221110014 is about 1068.8536982973.

Adding to 1221110014 its reverse (4100111221), we get a palindrome (5321221235).

The spelling of 1221110014 in words is "one billion, two hundred twenty-one million, one hundred ten thousand, fourteen".