102220231122 has 20 divisors (see below), whose sum is σ = 229049036766. Its totient is φ = 34073410320.

The previous prime is 102220231103. The next prime is 102220231151. The reversal of 102220231122 is 221132022201.

It can be written as a sum of positive squares in only one way, i.e., 56458036881 + 45762194241 = 237609^2 + 213921^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102220231095 and 102220231104.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 315494379 + ... + 315494702.

Almost surely, 2^102220231122 is an apocalyptic number.

102220231122 is an abundant number, since it is smaller than the sum of its proper divisors (126828805644).

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

102220231122 is an equidigital number, since it uses as much as digits as its factorization.

102220231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630989095 (or 630989086 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102220231122 its reverse (221132022201), we get a palindrome (323352253323).

The spelling of 102220231122 in words is "one hundred two billion, two hundred twenty million, two hundred thirty-one thousand, one hundred twenty-two".