122211101212122 has 32 divisors (see below), whose sum is σ = 263355720308352. Its totient is φ = 37584585756864.

The previous prime is 122211101212069. The next prime is 122211101212127. The reversal of 122211101212122 is 221212101112221.

It is not an unprimeable number, because it can be changed into a prime (122211101212127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392134918 + ... + 392446449.

It is an arithmetic number, because the mean of its divisors is an integer number (8229866259636).

Almost surely, 2^{122211101212122} is an apocalyptic number.

122211101212122 is an abundant number, since it is smaller than the sum of its proper divisors (141144619096230).

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

122211101212122 is a wasteful number, since it uses less digits than its factorization.

122211101212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784583382.

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

Adding to 122211101212122 its reverse (221212101112221), we get a palindrome (343423202324343).

Subtracting 122211101212122 from its reverse (221212101112221), we obtain a palindrome (99000999900099).

The spelling of 122211101212122 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred one million, two hundred twelve thousand, one hundred twenty-two".