102424233132221 has 16 divisors (see below), whose sum is σ = 137520648682368. Its totient is φ = 73671776078400.

The previous prime is 102424233132157. The next prime is 102424233132271. The reversal of 102424233132221 is 122231332424201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102424233132221 - 2⁶ = 102424233132157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102424233132271) 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, 51160954610 + ... + 51160956611.

It is an arithmetic number, because the mean of its divisors is an integer number (8595040542648).

Almost surely, 2^{102424233132221} is an apocalyptic number.

102424233132221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102424233132221 is a deficient number, since it is larger than the sum of its proper divisors (35096415550147).

102424233132221 is a wasteful number, since it uses less digits than its factorization.

102424233132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102321911252.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 102424233132221 its reverse (122231332424201), we get a palindrome (224655565556422).

The spelling of 102424233132221 in words is "one hundred two trillion, four hundred twenty-four billion, two hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty-one".