202121132202 has 48 divisors (see below), whose sum is σ = 477956999520. Its totient is φ = 61221117600.

The previous prime is 202121132201. The next prime is 202121132231. The reversal of 202121132202 is 202231121202.

It is a super-2 number, since 2×202121132202² (a number of 23 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 (202121132201) 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, 209949 + ... + 669567.

It is an arithmetic number, because the mean of its divisors is an integer number (9957437490).

Almost surely, 2^202121132202 is an apocalyptic number.

202121132202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202121132202 is an abundant number, since it is smaller than the sum of its proper divisors (275835867318).

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

202121132202 is a wasteful number, since it uses less digits than its factorization.

202121132202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461859 (or 461856 counting only the distinct ones).

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

Adding to 202121132202 its reverse (202231121202), we get a palindrome (404352253404).

The spelling of 202121132202 in words is "two hundred two billion, one hundred twenty-one million, one hundred thirty-two thousand, two hundred two".