120112222021 has 16 divisors (see below), whose sum is σ = 133339162176. Its totient is φ = 107286400000.

The previous prime is 120112222003. The next prime is 120112222033. The reversal of 120112222021 is 120222211021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120112222021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120112221986 and 120112222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112222001) 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, 267100 + ... + 558181.

It is an arithmetic number, because the mean of its divisors is an integer number (8333697636).

Almost surely, 2^120112222021 is an apocalyptic number.

120112222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120112222021 is a deficient number, since it is larger than the sum of its proper divisors (13226940155).

120112222021 is a wasteful number, since it uses less digits than its factorization.

120112222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825524.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120112222021 its reverse (120222211021), we get a palindrome (240334433042).

The spelling of 120112222021 in words is "one hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, twenty-one".