22121000230122 has 24 divisors (see below), whose sum is σ = 48032351849664. Its totient is φ = 7357740894504.

The previous prime is 22121000230097. The next prime is 22121000230141. The reversal of 22121000230122 is 22103200012122.

22121000230122 is a `hidden beast` number, since 2 + 212 + 100 + 0 + 230 + 122 = 666.

It is a super-2 number, since 2×22121000230122² (a number of 27 digits) contains 22 as substring.

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 = 22121000230095 and 22121000230104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1327145508 + ... + 1327162175.

It is an arithmetic number, because the mean of its divisors is an integer number (2001347993736).

Almost surely, 2^{22121000230122} is an apocalyptic number.

22121000230122 is an abundant number, since it is smaller than the sum of its proper divisors (25911351619542).

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

22121000230122 is a wasteful number, since it uses less digits than its factorization.

22121000230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654308154 (or 2654308151 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22121000230122 its reverse (22103200012122), we get a palindrome (44224200242244).

The spelling of 22121000230122 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred thirty thousand, one hundred twenty-two".