102210101020 has 24 divisors (see below), whose sum is σ = 214740996624. Its totient is φ = 40865033856.

The previous prime is 102210101017. The next prime is 102210101033. The reversal of 102210101020 is 20101012201.

It is a super-3 number, since 3×102210101020³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 102210100988 and 102210101006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143774 + ... + 1229893.

It is an arithmetic number, because the mean of its divisors is an integer number (8947541526).

Almost surely, 2^102210101020 is an apocalyptic number.

102210101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210101020 is an abundant number, since it is smaller than the sum of its proper divisors (112530895604).

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

102210101020 is a wasteful number, since it uses less digits than its factorization.

102210101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375829 (or 2375827 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102210101020 its reverse (20101012201), we get a palindrome (122311113221).

The spelling of 102210101020 in words is "one hundred two billion, two hundred ten million, one hundred one thousand, twenty".