102200022100021 has 8 divisors (see below), whose sum is σ = 103898791115264. Its totient is φ = 100502006595120.

The previous prime is 102200022100009. The next prime is 102200022100097. The reversal of 102200022100021 is 120001220002201.

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 a de Polignac number, because none of the positive numbers 2^k-102200022100021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102200022099974 and 102200022100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200022100621) 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, 188104065 + ... + 188646598.

It is an arithmetic number, because the mean of its divisors is an integer number (12987348889408).

Almost surely, 2^{102200022100021} is an apocalyptic number.

It is an amenable number.

102200022100021 is a deficient number, since it is larger than the sum of its proper divisors (1698769015243).

102200022100021 is an equidigital number, since it uses as much as digits as its factorization.

102200022100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376755171.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102200022100021 its reverse (120001220002201), we get a palindrome (222201242102222).

The spelling of 102200022100021 in words is "one hundred two trillion, two hundred billion, twenty-two million, one hundred thousand, twenty-one".