21122033202 has 40 divisors (see below), whose sum is σ = 49820007600. Its totient is φ = 6670114776.

The previous prime is 21122033171. The next prime is 21122033203. The reversal of 21122033202 is 20233022112.

21122033202 is a `hidden beast` number, since 211 + 220 + 33 + 202 = 666.

It is a super-2 number, since 2×21122033202² (a number of 21 digits) contains 22 as substring.

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 (21122033203) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3428052 + ... + 3434207.

It is an arithmetic number, because the mean of its divisors is an integer number (1245500190).

Almost surely, 2^21122033202 is an apocalyptic number.

21122033202 is an abundant number, since it is smaller than the sum of its proper divisors (28697974398).

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

21122033202 is a wasteful number, since it uses less digits than its factorization.

21122033202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862292 (or 6862283 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21122033202 its reverse (20233022112), we get a palindrome (41355055314).

The spelling of 21122033202 in words is "twenty-one billion, one hundred twenty-two million, thirty-three thousand, two hundred two".