102201202123021 has 8 divisors (see below), whose sum is σ = 103726914568640. Its totient is φ = 100675499129568.

The previous prime is 102201202122973. The next prime is 102201202123079. The reversal of 102201202123021 is 120321202102201.

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 102201202123021 - 2¹³ = 102201202114829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102201202123021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201202123091) 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, 21157840 + ... + 25535398.

It is an arithmetic number, because the mean of its divisors is an integer number (12965864321080).

Almost surely, 2^{102201202123021} is an apocalyptic number.

It is an amenable number.

102201202123021 is a deficient number, since it is larger than the sum of its proper divisors (1525712445619).

102201202123021 is an equidigital number, since it uses as much as digits as its factorization.

102201202123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726083.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102201202123021 its reverse (120321202102201), we get a palindrome (222522404225222).

The spelling of 102201202123021 in words is "one hundred two trillion, two hundred one billion, two hundred two million, one hundred twenty-three thousand, twenty-one".