101220035564 has 12 divisors (see below), whose sum is σ = 177145491264. Its totient is φ = 50607038064.

The previous prime is 101220035509. The next prime is 101220035573. The reversal of 101220035564 is 465530022101.

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, 667607 + ... + 805070.

It is an arithmetic number, because the mean of its divisors is an integer number (14762124272).

Almost surely, 2^101220035564 is an apocalyptic number.

It is an amenable number.

101220035564 is a deficient number, since it is larger than the sum of its proper divisors (75925455700).

101220035564 is a wasteful number, since it uses less digits than its factorization.

101220035564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489864 (or 1489862 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 101220035564 its reverse (465530022101), we get a palindrome (566750057665).

The spelling of 101220035564 in words is "one hundred one billion, two hundred twenty million, thirty-five thousand, five hundred sixty-four".