102022212002021 has 2 divisors, whose sum is σ = 102022212002022. Its totient is φ = 102022212002020.

The previous prime is 102022212002017. The next prime is 102022212002033. The reversal of 102022212002021 is 120200212220201.

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., 66512995802500 + 35509216199521 = 8155550^2 + 5958961^2 .

It is a cyclic number.

It is not a de Polignac number, because 102022212002021 - 2² = 102022212002017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102022212002621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51011106001010 + 51011106001011.

It is an arithmetic number, because the mean of its divisors is an integer number (51011106001011).

Almost surely, 2^{102022212002021} is an apocalyptic number.

It is an amenable number.

102022212002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102022212002021 is an equidigital number, since it uses as much as digits as its factorization.

102022212002021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102022212002021 its reverse (120200212220201), we get a palindrome (222222424222222).

The spelling of 102022212002021 in words is "one hundred two trillion, twenty-two billion, two hundred twelve million, two thousand, twenty-one".