102122020102021 has 8 divisors (see below), whose sum is σ = 105531574081824. Its totient is φ = 98759494453200.

The previous prime is 102122020101991. The next prime is 102122020102043. The reversal of 102122020102021 is 120201020221201.

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 102122020102021 - 2⁴³ = 93325927079813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102122020101986 and 102122020102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122020102051) 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, 11757078331 + ... + 11757087016.

It is an arithmetic number, because the mean of its divisors is an integer number (13191446760228).

Almost surely, 2^{102122020102021} is an apocalyptic number.

It is an amenable number.

102122020102021 is a deficient number, since it is larger than the sum of its proper divisors (3409553979803).

102122020102021 is a wasteful number, since it uses less digits than its factorization.

102122020102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23514165491.

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

Adding to 102122020102021 its reverse (120201020221201), we get a palindrome (222323040323222).

The spelling of 102122020102021 in words is "one hundred two trillion, one hundred twenty-two billion, twenty million, one hundred two thousand, twenty-one".