202121202 has 16 divisors (see below), whose sum is σ = 425518560. Its totient is φ = 63827712.

The previous prime is 202121191. The next prime is 202121203.

202121202 is nontrivially palindromic in base 10.

202121202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (202121203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886383 + ... + 886610.

It is an arithmetic number, because the mean of its divisors is an integer number (26594910).

Almost surely, 2^202121202 is an apocalyptic number.

202121202 is an abundant number, since it is smaller than the sum of its proper divisors (223397358).

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

202121202 is a wasteful number, since it uses less digits than its factorization.

202121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773017.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 202121202 is about 14216.9336356332. The cubic root of 202121202 is about 586.8637586041.

The spelling of 202121202 in words is "two hundred two million, one hundred twenty-one thousand, two hundred two".