202200212202021 has 24 divisors (see below), whose sum is σ = 329263890092480. Its totient is φ = 122545583150760.

The previous prime is 202200212201957. The next prime is 202200212202041. The reversal of 202200212202021 is 120202212002202.

202200212202021 is a `hidden beast` number, since 2 + 0 + 220 + 0 + 21 + 220 + 202 + 1 = 666.

It is not a de Polignac number, because 202200212202021 - 2⁶ = 202200212201957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202200212201985 and 202200212202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202200212202041) 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, 30945851065 + ... + 30945857598.

Almost surely, 2^{202200212202021} is an apocalyptic number.

It is an amenable number.

202200212202021 is a deficient number, since it is larger than the sum of its proper divisors (127063677890459).

202200212202021 is a wasteful number, since it uses less digits than its factorization.

202200212202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61891708694 (or 61891708677 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202200212202021 its reverse (120202212002202), we get a palindrome (322402424204223).

The spelling of 202200212202021 in words is "two hundred two trillion, two hundred billion, two hundred twelve million, two hundred two thousand, twenty-one".