101221024132 has 12 divisors (see below), whose sum is σ = 180478996236. Its totient is φ = 49655596640.

The previous prime is 101221024127. The next prime is 101221024153. The reversal of 101221024132 is 231420122101.

It can be written as a sum of positive squares in 2 ways, for example, as 27087893056 + 74133131076 = 164584^2 + 272274^2 .

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, 238728619 + ... + 238729042.

It is an arithmetic number, because the mean of its divisors is an integer number (15039916353).

Almost surely, 2^101221024132 is an apocalyptic number.

It is an amenable number.

101221024132 is a deficient number, since it is larger than the sum of its proper divisors (79257972104).

101221024132 is a wasteful number, since it uses less digits than its factorization.

101221024132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477457718 (or 477457716 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101221024132 its reverse (231420122101), we get a palindrome (332641146233).

The spelling of 101221024132 in words is "one hundred one billion, two hundred twenty-one million, twenty-four thousand, one hundred thirty-two".