102202100212021 has 8 divisors (see below), whose sum is σ = 103889200864064. Its totient is φ = 100527927534720.

The previous prime is 102202100212019. The next prime is 102202100212027. The reversal of 102202100212021 is 120212001202201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102202100212021 - 2¹ = 102202100212019 is a prime.

It is a super-3 number, since 3×102202100212021³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102202100211986 and 102202100212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202100212027) 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, 3231977745 + ... + 3232009366.

It is an arithmetic number, because the mean of its divisors is an integer number (12986150108008).

Almost surely, 2^{102202100212021} is an apocalyptic number.

It is an amenable number.

102202100212021 is a deficient number, since it is larger than the sum of its proper divisors (1687100652043).

102202100212021 is an equidigital number, since it uses as much as digits as its factorization.

102202100212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463987371.

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

Adding to 102202100212021 its reverse (120212001202201), we get a palindrome (222414101414222).

The spelling of 102202100212021 in words is "one hundred two trillion, two hundred two billion, one hundred million, two hundred twelve thousand, twenty-one".