2101012022122 has 32 divisors (see below), whose sum is σ = 3605866261200. Its totient is φ = 910955662848.

The previous prime is 2101012022111. The next prime is 2101012022173. The reversal of 2101012022122 is 2212202101012.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1783931538321 + 317080483801 = 1335639^2 + 563099^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2101012022096 and 2101012022105.

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, 37627347 + ... + 37683142.

Almost surely, 2^{2101012022122} is an apocalyptic number.

2101012022122 is a deficient number, since it is larger than the sum of its proper divisors (1504854239078).

2101012022122 is a wasteful number, since it uses less digits than its factorization.

2101012022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75310570.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2101012022122 its reverse (2212202101012), we get a palindrome (4313214123134).

The spelling of 2101012022122 in words is "two trillion, one hundred one billion, twelve million, twenty-two thousand, one hundred twenty-two".