102122323204221 has 16 divisors (see below), whose sum is σ = 151307401532800. Its totient is φ = 68074766915904.

The previous prime is 102122323204199. The next prime is 102122323204243. The reversal of 102122323204221 is 122402323221201.

102122323204221 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 2 + 2 + 3 + 232 + 0 + 422 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (102122323204199) and next prime (102122323204243).

It is not a de Polignac number, because 102122323204221 - 2⁹ = 102122323203709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122323204271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188109676 + ... + 188651781.

It is an arithmetic number, because the mean of its divisors is an integer number (9456712595800).

Almost surely, 2^{102122323204221} is an apocalyptic number.

It is an amenable number.

102122323204221 is a deficient number, since it is larger than the sum of its proper divisors (49185078328579).

102122323204221 is a wasteful number, since it uses less digits than its factorization.

102122323204221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376771505 (or 376771499 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 102122323204221 its reverse (122402323221201), we get a palindrome (224524646425422).

The spelling of 102122323204221 in words is "one hundred two trillion, one hundred twenty-two billion, three hundred twenty-three million, two hundred four thousand, two hundred twenty-one".