101333111220 has 72 divisors (see below), whose sum is σ = 335320483680. Its totient is φ = 24565602240.

The previous prime is 101333111197. The next prime is 101333111291. The reversal of 101333111220 is 22111333101.

101333111220 is a `hidden beast` number, since 1 + 0 + 1 + 333 + 111 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101333111193 and 101333111202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25587190 + ... + 25591149.

It is an arithmetic number, because the mean of its divisors is an integer number (4657228940).

Almost surely, 2^101333111220 is an apocalyptic number.

101333111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101333111220 is an abundant number, since it is smaller than the sum of its proper divisors (233987372460).

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

101333111220 is a wasteful number, since it uses less digits than its factorization.

101333111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51178365 (or 51178360 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101333111220 its reverse (22111333101), we get a palindrome (123444444321).

The spelling of 101333111220 in words is "one hundred one billion, three hundred thirty-three million, one hundred eleven thousand, two hundred twenty".