101110400220 has 48 divisors (see below), whose sum is σ = 286027787808. Its totient is φ = 26684805120.

The previous prime is 101110400191. The next prime is 101110400227. The reversal of 101110400220 is 22004011101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101110400196 and 101110400205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101110400227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8680641 + ... + 8692280.

It is an arithmetic number, because the mean of its divisors is an integer number (5958912246).

Almost surely, 2^101110400220 is an apocalyptic number.

101110400220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101110400220 is an abundant number, since it is smaller than the sum of its proper divisors (184917387588).

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

101110400220 is a wasteful number, since it uses less digits than its factorization.

101110400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17373030 (or 17373028 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101110400220 its reverse (22004011101), we get a palindrome (123114411321).

The spelling of 101110400220 in words is "one hundred one billion, one hundred ten million, four hundred thousand, two hundred twenty".