101022663880 has 64 divisors (see below), whose sum is σ = 240722254080. Its totient is φ = 38024064000.

The previous prime is 101022663869. The next prime is 101022663883. The reversal of 101022663880 is 88366220101.

It is a happy number.

It is a super-2 number, since 2×101022663880² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101022663883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3965985 + ... + 3991375.

It is an arithmetic number, because the mean of its divisors is an integer number (3761285220).

Almost surely, 2^101022663880 is an apocalyptic number.

101022663880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101022663880 is an abundant number, since it is smaller than the sum of its proper divisors (139699590200).

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

101022663880 is a wasteful number, since it uses less digits than its factorization.

101022663880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31270 (or 31266 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

Adding to 101022663880 its reverse (88366220101), we get a palindrome (189388883981).

The spelling of 101022663880 in words is "one hundred one billion, twenty-two million, six hundred sixty-three thousand, eight hundred eighty".