22002121210122 has 24 divisors (see below), whose sum is σ = 47721601901376. Its totient is φ = 7326295898856.

The previous prime is 22002121210117. The next prime is 22002121210141. The reversal of 22002121210122 is 22101212120022.

It is a happy number.

22002121210122 is a `hidden beast` number, since 220 + 0 + 212 + 1 + 210 + 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 = 22002121210095 and 22002121210104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 645357858 + ... + 645391949.

It is an arithmetic number, because the mean of its divisors is an integer number (1988400079224).

Almost surely, 2^{22002121210122} is an apocalyptic number.

22002121210122 is an abundant number, since it is smaller than the sum of its proper divisors (25719480691254).

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

22002121210122 is a wasteful number, since it uses less digits than its factorization.

22002121210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290750762 (or 1290750759 counting only the distinct ones).

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

Adding to 22002121210122 its reverse (22101212120022), we get a palindrome (44103333330144).

The spelling of 22002121210122 in words is "twenty-two trillion, two billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty-two".