2100100022122 has 16 divisors (see below), whose sum is σ = 3293398226880. Its totient is φ = 1002475200672.

The previous prime is 2100100022101. The next prime is 2100100022161. The reversal of 2100100022122 is 2212200010012.

It is a happy number.

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, 43622547 + ... + 43670662.

It is an arithmetic number, because the mean of its divisors is an integer number (205837389180).

Almost surely, 2^{2100100022122} is an apocalyptic number.

2100100022122 is a deficient number, since it is larger than the sum of its proper divisors (1193298204758).

2100100022122 is a wasteful number, since it uses less digits than its factorization.

2100100022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87293757.

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

Adding to 2100100022122 its reverse (2212200010012), we get a palindrome (4312300032134).

The spelling of 2100100022122 in words is "two trillion, one hundred billion, one hundred million, twenty-two thousand, one hundred twenty-two".