102200200010021 has 4 divisors (see below), whose sum is σ = 102205380756672. Its totient is φ = 102195019263372.

The previous prime is 102200200010017. The next prime is 102200200010063. The reversal of 102200200010021 is 120010002002201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102200200010021 - 2² = 102200200010017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102200200009984 and 102200200010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200200012021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2590343735 + ... + 2590383188.

It is an arithmetic number, because the mean of its divisors is an integer number (25551345189168).

Almost surely, 2^{102200200010021} is an apocalyptic number.

It is an amenable number.

102200200010021 is a deficient number, since it is larger than the sum of its proper divisors (5180746651).

102200200010021 is an equidigital number, since it uses as much as digits as its factorization.

102200200010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180746650.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102200200010021 its reverse (120010002002201), we get a palindrome (222210202012222).

The spelling of 102200200010021 in words is "one hundred two trillion, two hundred billion, two hundred million, ten thousand, twenty-one".