12221010100122 has 64 divisors (see below), whose sum is σ = 26715629952000. Its totient is φ = 3710223037440.

The previous prime is 12221010100121. The next prime is 12221010100133. The reversal of 12221010100122 is 22100101012221.

It is not an unprimeable number, because it can be changed into a prime (12221010100121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109188004 + ... + 109299872.

It is an arithmetic number, because the mean of its divisors is an integer number (417431718000).

Almost surely, 2^{12221010100122} is an apocalyptic number.

12221010100122 is an abundant number, since it is smaller than the sum of its proper divisors (14494619851878).

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

12221010100122 is a wasteful number, since it uses less digits than its factorization.

12221010100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146471.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12221010100122 its reverse (22100101012221), we get a palindrome (34321111112343).

The spelling of 12221010100122 in words is "twelve trillion, two hundred twenty-one billion, ten million, one hundred thousand, one hundred twenty-two".