21120010101122 has 16 divisors (see below), whose sum is σ = 31690116355200. Its totient is φ = 10556638376688.

The previous prime is 21120010101077. The next prime is 21120010101161. The reversal of 21120010101122 is 22110101002112.

It is a junction number, because it is equal to n+sod(n) for n = 21120010101097 and 21120010101106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118265303 + ... + 118443749.

It is an arithmetic number, because the mean of its divisors is an integer number (1980632272200).

Almost surely, 2^{21120010101122} is an apocalyptic number.

21120010101122 is a deficient number, since it is larger than the sum of its proper divisors (10570106254078).

21120010101122 is a wasteful number, since it uses less digits than its factorization.

21120010101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196985.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21120010101122 its reverse (22110101002112), we get a palindrome (43230111103234).

The spelling of 21120010101122 in words is "twenty-one trillion, one hundred twenty billion, ten million, one hundred one thousand, one hundred twenty-two".