202121001110202 has 64 divisors (see below), whose sum is σ = 408697519950720. Its totient is φ = 66633680332800.

The previous prime is 202121001110167. The next prime is 202121001110221. The reversal of 202121001110202 is 202011100121202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3331945752 + ... + 3332006412.

It is an arithmetic number, because the mean of its divisors is an integer number (6385898749230).

Almost surely, 2^{202121001110202} is an apocalyptic number.

202121001110202 is an abundant number, since it is smaller than the sum of its proper divisors (206576518840518).

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

202121001110202 is a wasteful number, since it uses less digits than its factorization.

202121001110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71279.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202121001110202 its reverse (202011100121202), we get a palindrome (404132101231404).

The spelling of 202121001110202 in words is "two hundred two trillion, one hundred twenty-one billion, one million, one hundred ten thousand, two hundred two".