22021022101122 has 48 divisors (see below), whose sum is σ = 52058455431840. Its totient is φ = 6671913048000.

The previous prime is 22021022101109. The next prime is 22021022101147. The reversal of 22021022101122 is 22110122012022.

It is a happy number.

22021022101122 is a `hidden beast` number, since 220 + 210 + 2 + 210 + 1 + 1 + 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 = 22021022101095 and 22021022101104.

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 23 ways as a sum of consecutive naturals, for example, 8187379 + ... + 10539222.

It is an arithmetic number, because the mean of its divisors is an integer number (1084551154830).

Almost surely, 2^{22021022101122} is an apocalyptic number.

22021022101122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22021022101122 is an abundant number, since it is smaller than the sum of its proper divisors (30037433330718).

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

22021022101122 is a wasteful number, since it uses less digits than its factorization.

22021022101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18732559 (or 18732556 counting only the distinct ones).

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

Adding to 22021022101122 its reverse (22110122012022), we get a palindrome (44131144113144).

The spelling of 22021022101122 in words is "twenty-two trillion, twenty-one billion, twenty-two million, one hundred one thousand, one hundred twenty-two".