102311220210 has 16 divisors (see below), whose sum is σ = 245546928576. Its totient is φ = 27282992048.

The previous prime is 102311220203. The next prime is 102311220227. The reversal of 102311220210 is 12022113201.

It is a super-2 number, since 2×102311220210² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102311220210.

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, 1705186974 + ... + 1705187033.

It is an arithmetic number, because the mean of its divisors is an integer number (15346683036).

Almost surely, 2^102311220210 is an apocalyptic number.

102311220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102311220210 is an abundant number, since it is smaller than the sum of its proper divisors (143235708366).

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

102311220210 is a wasteful number, since it uses less digits than its factorization.

102311220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410374017.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102311220210 its reverse (12022113201), we get a palindrome (114333333411).

The spelling of 102311220210 in words is "one hundred two billion, three hundred eleven million, two hundred twenty thousand, two hundred ten".