2100020120122 has 32 divisors (see below), whose sum is σ = 3352799900160. Its totient is φ = 984351136560.

The previous prime is 2100020120113. The next prime is 2100020120131. The reversal of 2100020120122 is 2210210200012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2100020120113) and next prime (2100020120131).

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, 270508 + ... + 2067175.

It is an arithmetic number, because the mean of its divisors is an integer number (104774996880).

Almost surely, 2^{2100020120122} is an apocalyptic number.

2100020120122 is a deficient number, since it is larger than the sum of its proper divisors (1252779780038).

2100020120122 is a wasteful number, since it uses less digits than its factorization.

2100020120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338098.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100020120122 its reverse (2210210200012), we get a palindrome (4310230320134).

The spelling of 2100020120122 in words is "two trillion, one hundred billion, twenty million, one hundred twenty thousand, one hundred twenty-two".