102110212220020 has 96 divisors (see below), whose sum is σ = 219626284268160. Its totient is φ = 39856409026560.

The previous prime is 102110212219997. The next prime is 102110212220069. The reversal of 102110212220020 is 20022212011201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102110212219976 and 102110212220003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5840534199 + ... + 5840551681.

It is an arithmetic number, because the mean of its divisors is an integer number (2287773794460).

Almost surely, 2^{102110212220020} is an apocalyptic number.

102110212220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102110212220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109813142134080).

102110212220020 is an abundant number, since it is smaller than the sum of its proper divisors (117516072048140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102110212220020 is a wasteful number, since it uses less digits than its factorization.

102110212220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23585 (or 23583 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102110212220020 its reverse (20022212011201), we get a palindrome (122132424231221).

The spelling of 102110212220020 in words is "one hundred two trillion, one hundred ten billion, two hundred twelve million, two hundred twenty thousand, twenty".