2100020222122 has 16 divisors (see below), whose sum is σ = 3259514714400. Its totient is φ = 1013534487280.

The previous prime is 2100020222101. The next prime is 2100020222149. The reversal of 2100020222122 is 2212220200012.

It is a junction number, because it is equal to n+sod(n) for n = 2100020222096 and 2100020222105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4571404 + ... + 5009767.

It is an arithmetic number, because the mean of its divisors is an integer number (203719669650).

Almost surely, 2^{2100020222122} is an apocalyptic number.

2100020222122 is a deficient number, since it is larger than the sum of its proper divisors (1159494492278).

2100020222122 is a wasteful number, since it uses less digits than its factorization.

2100020222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9584981.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2100020222122 its reverse (2212220200012), we get a palindrome (4312240422134).

The spelling of 2100020222122 in words is "two trillion, one hundred billion, twenty million, two hundred twenty-two thousand, one hundred twenty-two".