101236220464 has 20 divisors (see below), whose sum is σ = 207683129304. Its totient is φ = 47640574208.

The previous prime is 101236220453. The next prime is 101236220473. The reversal of 101236220464 is 464022632101.

It is a super-2 number, since 2×101236220464² (a number of 23 digits) contains 22 as substring.

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, 186095722 + ... + 186096265.

Almost surely, 2^101236220464 is an apocalyptic number.

It is an amenable number.

101236220464 is an abundant number, since it is smaller than the sum of its proper divisors (106446908840).

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

101236220464 is a wasteful number, since it uses less digits than its factorization.

101236220464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372192012 (or 372192006 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 101236220464 its reverse (464022632101), we get a palindrome (565258852565).

The spelling of 101236220464 in words is "one hundred one billion, two hundred thirty-six million, two hundred twenty thousand, four hundred sixty-four".