122211221220122 has 8 divisors (see below), whose sum is σ = 183316973239200. Its totient is φ = 61105563473724.

The previous prime is 122211221220097. The next prime is 122211221220149. The reversal of 122211221220122 is 221022122112221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122211221220122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20232872 + ... + 25569347.

It is an arithmetic number, because the mean of its divisors is an integer number (22914621654900).

Almost surely, 2^{122211221220122} is an apocalyptic number.

122211221220122 is a deficient number, since it is larger than the sum of its proper divisors (61105752019078).

122211221220122 is a wasteful number, since it uses less digits than its factorization.

122211221220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47136340.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122211221220122 its reverse (221022122112221), we get a palindrome (343233343332343).

The spelling of 122211221220122 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".