102200011202021 has 4 divisors (see below), whose sum is σ = 102200064092544. Its totient is φ = 102199958311500.

The previous prime is 102200011202017. The next prime is 102200011202033. The reversal of 102200011202021 is 120202110002201.

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 102200011202021 - 2² = 102200011202017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102200011201987 and 102200011202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200011252021) 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, 23432405 + ... + 27449546.

It is an arithmetic number, because the mean of its divisors is an integer number (25550016023136).

Almost surely, 2^{102200011202021} is an apocalyptic number.

It is an amenable number.

102200011202021 is a deficient number, since it is larger than the sum of its proper divisors (52890523).

102200011202021 is an equidigital number, since it uses as much as digits as its factorization.

102200011202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52890522.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102200011202021 its reverse (120202110002201), we get a palindrome (222402121204222).

The spelling of 102200011202021 in words is "one hundred two trillion, two hundred billion, eleven million, two hundred two thousand, twenty-one".