102122001021021 has 16 divisors (see below), whose sum is σ = 138290982451200. Its totient is φ = 67018589093808.

The previous prime is 102122001021011. The next prime is 102122001021031. The reversal of 102122001021021 is 120120100221201.

It is an interprime number because it is at equal distance from previous prime (102122001021011) and next prime (102122001021031).

It is not a de Polignac number, because 102122001021021 - 2²⁹ = 102121464150109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122001021011) 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, 176246431 + ... + 176824908.

It is an arithmetic number, because the mean of its divisors is an integer number (8643186403200).

Almost surely, 2^{102122001021021} is an apocalyptic number.

It is an amenable number.

102122001021021 is a deficient number, since it is larger than the sum of its proper divisors (36168981430179).

102122001021021 is a wasteful number, since it uses less digits than its factorization.

102122001021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353072848.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102122001021021 its reverse (120120100221201), we get a palindrome (222242101242222).

The spelling of 102122001021021 in words is "one hundred two trillion, one hundred twenty-two billion, one million, twenty-one thousand, twenty-one".