112121121021022 has 4 divisors (see below), whose sum is σ = 168181681531536. Its totient is φ = 56060560510510.

The previous prime is 112121121021017. The next prime is 112121121021031. The reversal of 112121121021022 is 220120121121211.

It is a happy number.

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

It is a super-2 number, since 2×112121121021022² (a number of 29 digits) contains 22 as substring.

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, 28030280255254 + ... + 28030280255257.

It is an arithmetic number, because the mean of its divisors is an integer number (42045420382884).

Almost surely, 2^{112121121021022} is an apocalyptic number.

112121121021022 is a deficient number, since it is larger than the sum of its proper divisors (56060560510514).

112121121021022 is an equidigital number, since it uses as much as digits as its factorization.

112121121021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56060560510513.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112121121021022 its reverse (220120121121211), we get a palindrome (332241242142233).

The spelling of 112121121021022 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twenty-one million, twenty-one thousand, twenty-two".