102022120021 has 8 divisors (see below), whose sum is σ = 102133785600. Its totient is φ = 101910518640.

The previous prime is 102022119977. The next prime is 102022120063. The reversal of 102022120021 is 120021220201.

It is a happy number.

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 102022120021 - 2¹¹ = 102022117973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102022119983 and 102022120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022120091) 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, 3593560 + ... + 3621838.

It is an arithmetic number, because the mean of its divisors is an integer number (12766723200).

Almost surely, 2^102022120021 is an apocalyptic number.

It is an amenable number.

102022120021 is a deficient number, since it is larger than the sum of its proper divisors (111665579).

102022120021 is a wasteful number, since it uses less digits than its factorization.

102022120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32099.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102022120021 its reverse (120021220201), we get a palindrome (222043340222).

The spelling of 102022120021 in words is "one hundred two billion, twenty-two million, one hundred twenty thousand, twenty-one".