102210021121 has 8 divisors (see below), whose sum is σ = 110200482560. Its totient is φ = 94237867152.

The previous prime is 102210021097. The next prime is 102210021163. The reversal of 102210021121 is 121120012201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102210021121 - 2¹³ = 102210012929 is a prime.

It is a super-3 number, since 3×102210021121³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102210021421) 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, 4565265 + ... + 4587598.

It is an arithmetic number, because the mean of its divisors is an integer number (13775060320).

Almost surely, 2^102210021121 is an apocalyptic number.

It is an amenable number.

102210021121 is a deficient number, since it is larger than the sum of its proper divisors (7990461439).

102210021121 is an equidigital number, since it uses as much as digits as its factorization.

102210021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153735.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102210021121 its reverse (121120012201), we get a palindrome (223330033322).

The spelling of 102210021121 in words is "one hundred two billion, two hundred ten million, twenty-one thousand, one hundred twenty-one".