202100020221002 has 4 divisors (see below), whose sum is σ = 303150030331506. Its totient is φ = 101050010110500.

The previous prime is 202100020220897. The next prime is 202100020221017. The reversal of 202100020221002 is 200122020001202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124745198385721 + 77354821835281 = 11168939^2 + 8795159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50525005055249 + ... + 50525005055252.

Almost surely, 2^{202100020221002} is an apocalyptic number.

202100020221002 is a deficient number, since it is larger than the sum of its proper divisors (101050010110504).

202100020221002 is a wasteful number, since it uses less digits than its factorization.

202100020221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101050010110503.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202100020221002 its reverse (200122020001202), we get a palindrome (402222040222204).

The spelling of 202100020221002 in words is "two hundred two trillion, one hundred billion, twenty million, two hundred twenty-one thousand, two".