22101122120022 has 24 divisors (see below), whose sum is σ = 52239015920520. Its totient is φ = 6697309733280.

The previous prime is 22101122119991. The next prime is 22101122120029. The reversal of 22101122120022 is 22002122110122.

It is a happy number.

22101122120022 is a `hidden beast` number, since 2 + 210 + 11 + 221 + 200 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22101122119977 and 22101122120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101122120029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55810914247 + ... + 55810914642.

It is an arithmetic number, because the mean of its divisors is an integer number (2176625663355).

Almost surely, 2^{22101122120022} is an apocalyptic number.

22101122120022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22101122120022 is an abundant number, since it is smaller than the sum of its proper divisors (30137893800498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101122120022 is a wasteful number, since it uses less digits than its factorization.

22101122120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111621828908 (or 111621828905 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22101122120022 its reverse (22002122110122), we get a palindrome (44103244230144).

The spelling of 22101122120022 in words is "twenty-two trillion, one hundred one billion, one hundred twenty-two million, one hundred twenty thousand, twenty-two".