202212002011021 has 2 divisors, whose sum is σ = 202212002011022. Its totient is φ = 202212002011020.

The previous prime is 202212002011001. The next prime is 202212002011081. The reversal of 202212002011021 is 120110200212202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184937288697225 + 17274713313796 = 13599165^2 + 4156286^2 .

It is a cyclic number.

It is not a de Polignac number, because 202212002011021 - 2¹⁵ = 202212001978253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202212002010986 and 202212002011004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202212002011001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101106001005510 + 101106001005511.

It is an arithmetic number, because the mean of its divisors is an integer number (101106001005511).

Almost surely, 2^{202212002011021} is an apocalyptic number.

It is an amenable number.

202212002011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

202212002011021 is an equidigital number, since it uses as much as digits as its factorization.

202212002011021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202212002011021 its reverse (120110200212202), we get a palindrome (322322202223223).

The spelling of 202212002011021 in words is "two hundred two trillion, two hundred twelve billion, two million, eleven thousand, twenty-one".