102210211220 has 48 divisors (see below), whose sum is σ = 232916923008. Its totient is φ = 37451057280.

The previous prime is 102210211163. The next prime is 102210211237. The reversal of 102210211220 is 22112012201.

It is a junction number, because it is equal to n+sod(n) for n = 102210211195 and 102210211204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1466384 + ... + 1534503.

It is an arithmetic number, because the mean of its divisors is an integer number (4852435896).

Almost surely, 2^102210211220 is an apocalyptic number.

102210211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102210211220 is an abundant number, since it is smaller than the sum of its proper divisors (130706711788).

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

102210211220 is a wasteful number, since it uses less digits than its factorization.

102210211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001040 (or 3001038 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102210211220 its reverse (22112012201), we get a palindrome (124322223421).

The spelling of 102210211220 in words is "one hundred two billion, two hundred ten million, two hundred eleven thousand, two hundred twenty".