22021202021202 has 48 divisors (see below), whose sum is σ = 48992422915800. Its totient is φ = 7144356038400.

The previous prime is 22021202021201. The next prime is 22021202021233. The reversal of 22021202021202 is 20212020212022.

22021202021202 is a `hidden beast` number, since 220 + 2 + 120 + 202 + 120 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5138151029001 + 16883050992201 = 2266749^2 + 4108899^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22021202021201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35127577 + ... + 35748972.

Almost surely, 2^{22021202021202} is an apocalyptic number.

22021202021202 is an abundant number, since it is smaller than the sum of its proper divisors (26971220894598).

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

22021202021202 is a wasteful number, since it uses less digits than its factorization.

22021202021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70877019 (or 70877016 counting only the distinct ones).

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

Adding to 22021202021202 its reverse (20212020212022), we get a palindrome (42233222233224).

It can be divided in two parts, 2 and 2021202021202, that multiplied together give a palindrome (4042404042404).

The spelling of 22021202021202 in words is "twenty-two trillion, twenty-one billion, two hundred two million, twenty-one thousand, two hundred two".