21110110010122 has 32 divisors (see below), whose sum is σ = 38341149500160. Its totient is φ = 8509749269760.

The previous prime is 21110110010111. The next prime is 21110110010137. The reversal of 21110110010122 is 22101001101112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26973222 + ... + 27744817.

It is an arithmetic number, because the mean of its divisors is an integer number (1198160921880).

Almost surely, 2^{21110110010122} is an apocalyptic number.

21110110010122 is a deficient number, since it is larger than the sum of its proper divisors (17231039490038).

21110110010122 is a wasteful number, since it uses less digits than its factorization.

21110110010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54719686.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 21110110010122 its reverse (22101001101112), we get a palindrome (43211111111234).

The spelling of 21110110010122 in words is "twenty-one trillion, one hundred ten billion, one hundred ten million, ten thousand, one hundred twenty-two".