12110022021 has 16 divisors (see below), whose sum is σ = 16573987584. Its totient is φ = 7861447104.

The previous prime is 12110021983. The next prime is 12110022059. The reversal of 12110022021 is 12022001121.

It is an interprime number because it is at equal distance from previous prime (12110021983) and next prime (12110022059).

It is not a de Polignac number, because 12110022021 - 2⁹ = 12110021509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110021988 and 12110022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110029021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190210 + ... + 245763.

It is an arithmetic number, because the mean of its divisors is an integer number (1035874224).

Almost surely, 2^12110022021 is an apocalyptic number.

It is an amenable number.

12110022021 is a deficient number, since it is larger than the sum of its proper divisors (4463965563).

12110022021 is a wasteful number, since it uses less digits than its factorization.

12110022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436220.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12110022021 its reverse (12022001121), we get a palindrome (24132023142).

The spelling of 12110022021 in words is "twelve billion, one hundred ten million, twenty-two thousand, twenty-one".