122211101221122 has 32 divisors (see below), whose sum is σ = 251091809462592. Its totient is φ = 39625990478784.

The previous prime is 122211101221061. The next prime is 122211101221217. The reversal of 122211101221122 is 221122101112221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68860333 + ... + 70612800.

It is an arithmetic number, because the mean of its divisors is an integer number (7846619045706).

Almost surely, 2^{122211101221122} is an apocalyptic number.

122211101221122 is an abundant number, since it is smaller than the sum of its proper divisors (128880708241470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122211101221122 is a wasteful number, since it uses less digits than its factorization.

122211101221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139477122.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122211101221122 its reverse (221122101112221), we get a palindrome (343333202333343).

The spelling of 122211101221122 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty-two".