21122101010122 has 8 divisors (see below), whose sum is σ = 36209316017376. Its totient is φ = 9052329004332.

The previous prime is 21122101009967. The next prime is 21122101010161. The reversal of 21122101010122 is 22101010122112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21122101010122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21122101010096 and 21122101010105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754360750348 + ... + 754360750375.

It is an arithmetic number, because the mean of its divisors is an integer number (4526164502172).

Almost surely, 2^{21122101010122} is an apocalyptic number.

21122101010122 is a deficient number, since it is larger than the sum of its proper divisors (15087215007254).

21122101010122 is a wasteful number, since it uses less digits than its factorization.

21122101010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508721500732.

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

Adding to 21122101010122 its reverse (22101010122112), we get a palindrome (43223111132234).

The spelling of 21122101010122 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred one million, ten thousand, one hundred twenty-two".