2101202222122 has 32 divisors (see below), whose sum is σ = 3351096777600. Its totient is φ = 985290516288.

The previous prime is 2101202222107. The next prime is 2101202222129. The reversal of 2101202222122 is 2212222021012.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2101202222122.

It is not an unprimeable number, because it can be changed into a prime (2101202222129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11009404 + ... + 11198632.

It is an arithmetic number, because the mean of its divisors is an integer number (104721774300).

Almost surely, 2^{2101202222122} is an apocalyptic number.

2101202222122 is a deficient number, since it is larger than the sum of its proper divisors (1249894555478).

2101202222122 is a wasteful number, since it uses less digits than its factorization.

2101202222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192190.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2101202222122 its reverse (2212222021012), we get a palindrome (4313424243134).

The spelling of 2101202222122 in words is "two trillion, one hundred one billion, two hundred two million, two hundred twenty-two thousand, one hundred twenty-two".