21202110101122 has 16 divisors (see below), whose sum is σ = 33477679196640. Its totient is φ = 10042905810528.

The previous prime is 21202110101113. The next prime is 21202110101131. The reversal of 21202110101122 is 22110101120212.

It is an interprime number because it is at equal distance from previous prime (21202110101113) and next prime (21202110101131).

It is a junction number, because it is equal to n+sod(n) for n = 21202110101096 and 21202110101105.

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, 3574843 + ... + 7428574.

It is an arithmetic number, because the mean of its divisors is an integer number (2092354949790).

Almost surely, 2^{21202110101122} is an apocalyptic number.

21202110101122 is a deficient number, since it is larger than the sum of its proper divisors (12275569095518).

21202110101122 is a wasteful number, since it uses less digits than its factorization.

21202110101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054145.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21202110101122 its reverse (22110101120212), we get a palindrome (43312211221334).

The spelling of 21202110101122 in words is "twenty-one trillion, two hundred two billion, one hundred ten million, one hundred one thousand, one hundred twenty-two".