2101211020122 has 32 divisors (see below), whose sum is σ = 4347544078080. Its totient is φ = 676219010880.

The previous prime is 2101211020061. The next prime is 2101211020163. The reversal of 2101211020122 is 2210201121012.

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, 3439768 + ... + 4004300.

It is an arithmetic number, because the mean of its divisors is an integer number (135860752440).

Almost surely, 2^{2101211020122} is an apocalyptic number.

2101211020122 is an abundant number, since it is smaller than the sum of its proper divisors (2246333057958).

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

2101211020122 is a wasteful number, since it uses less digits than its factorization.

2101211020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585958.

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

Adding to 2101211020122 its reverse (2210201121012), we get a palindrome (4311412141134).

The spelling of 2101211020122 in words is "two trillion, one hundred one billion, two hundred eleven million, twenty thousand, one hundred twenty-two".