102122023133221 has 32 divisors (see below), whose sum is σ = 125804146019328. Its totient is φ = 80725618068480.

The previous prime is 102122023133167. The next prime is 102122023133231. The reversal of 102122023133221 is 122331320221201.

It is not a de Polignac number, because 102122023133221 - 2⁹ = 102122023132709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122023133231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561880641 + ... + 562062361.

It is an arithmetic number, because the mean of its divisors is an integer number (3931379563104).

Almost surely, 2^{102122023133221} is an apocalyptic number.

It is an amenable number.

102122023133221 is a deficient number, since it is larger than the sum of its proper divisors (23682122886107).

102122023133221 is a wasteful number, since it uses less digits than its factorization.

102122023133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187381.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 102122023133221 its reverse (122331320221201), we get a palindrome (224453343354422).

The spelling of 102122023133221 in words is "one hundred two trillion, one hundred twenty-two billion, twenty-three million, one hundred thirty-three thousand, two hundred twenty-one".