202001212002021 has 8 divisors (see below), whose sum is σ = 285178181649984. Its totient is φ = 126745858511040.

The previous prime is 202001212002013. The next prime is 202001212002043. The reversal of 202001212002021 is 120200212100202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202001212002021 - 2³ = 202001212002013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001212002001) 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, 1980404039185 + ... + 1980404039286.

It is an arithmetic number, because the mean of its divisors is an integer number (35647272706248).

Almost surely, 2^{202001212002021} is an apocalyptic number.

It is an amenable number.

202001212002021 is a deficient number, since it is larger than the sum of its proper divisors (83176969647963).

202001212002021 is a wasteful number, since it uses less digits than its factorization.

202001212002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960808078491.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202001212002021 its reverse (120200212100202), we get a palindrome (322201424102223).

The spelling of 202001212002021 in words is "two hundred two trillion, one billion, two hundred twelve million, two thousand, twenty-one".