102122111021 has 8 divisors (see below), whose sum is σ = 117483905664. Its totient is φ = 86953546800.

The previous prime is 102122110997. The next prime is 102122111029. The reversal of 102122111021 is 120111221201.

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 102122111021 - 2¹⁴ = 102122094637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102122110987 and 102122111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122111029) 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, 48306470 + ... + 48308583.

It is an arithmetic number, because the mean of its divisors is an integer number (14685488208).

Almost surely, 2^102122111021 is an apocalyptic number.

It is an amenable number.

102122111021 is a deficient number, since it is larger than the sum of its proper divisors (15361794643).

102122111021 is an equidigital number, since it uses as much as digits as its factorization.

102122111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96615211.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102122111021 its reverse (120111221201), we get a palindrome (222233332222).

The spelling of 102122111021 in words is "one hundred two billion, one hundred twenty-two million, one hundred eleven thousand, twenty-one".