21122022002202 has 48 divisors (see below), whose sum is σ = 49925871466848. Its totient is φ = 6400472703840.

The previous prime is 21122022002173. The next prime is 21122022002233. The reversal of 21122022002202 is 20220022022112.

21122022002202 is a `hidden beast` number, since 2 + 1 + 1 + 220 + 220 + 0 + 220 + 2 = 666.

It is a super-2 number, since 2×21122022002202² (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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8091768 + ... + 10378860.

It is an arithmetic number, because the mean of its divisors is an integer number (1040122322226).

Almost surely, 2^{21122022002202} is an apocalyptic number.

21122022002202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21122022002202 is an abundant number, since it is smaller than the sum of its proper divisors (28803849464646).

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

21122022002202 is a wasteful number, since it uses less digits than its factorization.

21122022002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333755 (or 2333752 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 21122022002202 its reverse (20220022022112), we get a palindrome (41342044024314).

The spelling of 21122022002202 in words is "twenty-one trillion, one hundred twenty-two billion, twenty-two million, two thousand, two hundred two".