101222031100 has 36 divisors (see below), whose sum is σ = 219747355408. Its totient is φ = 40471200000.

The previous prime is 101222031073. The next prime is 101222031133. The reversal of 101222031100 is 1130222101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12100 + ... + 450100.

Almost surely, 2^101222031100 is an apocalyptic number.

101222031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222031100 is an abundant number, since it is smaller than the sum of its proper divisors (118525324308).

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

101222031100 is a wasteful number, since it uses less digits than its factorization.

101222031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440326 (or 440319 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101222031100 its reverse (1130222101), we get a palindrome (102352253201).

The spelling of 101222031100 in words is "one hundred one billion, two hundred twenty-two million, thirty-one thousand, one hundred".