12101021002122 has 16 divisors (see below), whose sum is σ = 26063737543200. Its totient is φ = 3723391077552.

The previous prime is 12101021002117. The next prime is 12101021002157. The reversal of 12101021002122 is 22120012010121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77570647372 + ... + 77570647527.

It is an arithmetic number, because the mean of its divisors is an integer number (1628983596450).

Almost surely, 2^{12101021002122} is an apocalyptic number.

12101021002122 is an abundant number, since it is smaller than the sum of its proper divisors (13962716541078).

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

12101021002122 is a wasteful number, since it uses less digits than its factorization.

12101021002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155141294917.

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

Adding to 12101021002122 its reverse (22120012010121), we get a palindrome (34221033012243).

The spelling of 12101021002122 in words is "twelve trillion, one hundred one billion, twenty-one million, two thousand, one hundred twenty-two".