122112021022 has 4 divisors (see below), whose sum is σ = 183168031536. Its totient is φ = 61056010510.

The previous prime is 122112021007. The next prime is 122112021047. The reversal of 122112021022 is 220120211221.

It is a happy number.

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

It is a super-2 number, since 2×122112021022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122112020987 and 122112021005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30528005254 + ... + 30528005257.

It is an arithmetic number, because the mean of its divisors is an integer number (45792007884).

Almost surely, 2^122112021022 is an apocalyptic number.

122112021022 is a deficient number, since it is larger than the sum of its proper divisors (61056010514).

122112021022 is an equidigital number, since it uses as much as digits as its factorization.

122112021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61056010513.

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

Adding to 122112021022 its reverse (220120211221), we get a palindrome (342232232243).

The spelling of 122112021022 in words is "one hundred twenty-two billion, one hundred twelve million, twenty-one thousand, twenty-two".