101220113132 has 12 divisors (see below), whose sum is σ = 184836728496. Its totient is φ = 48409619280.

The previous prime is 101220113077. The next prime is 101220113143. The reversal of 101220113132 is 231311022101.

It is a super-2 number, since 2×101220113132² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101220113132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550109219 + ... + 550109402.

It is an arithmetic number, because the mean of its divisors is an integer number (15403060708).

Almost surely, 2^101220113132 is an apocalyptic number.

It is an amenable number.

101220113132 is a deficient number, since it is larger than the sum of its proper divisors (83616615364).

101220113132 is a wasteful number, since it uses less digits than its factorization.

101220113132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100218648 (or 1100218646 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101220113132 its reverse (231311022101), we get a palindrome (332531135233).

The spelling of 101220113132 in words is "one hundred one billion, two hundred twenty million, one hundred thirteen thousand, one hundred thirty-two".