2101102120122 has 16 divisors (see below), whose sum is σ = 4202968204512. Its totient is φ = 700240046000.

The previous prime is 2101102120099. The next prime is 2101102120141. The reversal of 2101102120122 is 2210212011012.

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, 31796088 + ... + 31862099.

It is an arithmetic number, because the mean of its divisors is an integer number (262685512782).

Almost surely, 2^{2101102120122} is an apocalyptic number.

2101102120122 is an abundant number, since it is smaller than the sum of its proper divisors (2101866084390).

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

2101102120122 is a wasteful number, since it uses less digits than its factorization.

2101102120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63663693.

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

Adding to 2101102120122 its reverse (2210212011012), we get a palindrome (4311314131134).

The spelling of 2101102120122 in words is "two trillion, one hundred one billion, one hundred two million, one hundred twenty thousand, one hundred twenty-two".