101131120220 has 48 divisors (see below), whose sum is σ = 230976452448. Its totient is φ = 36971001600.

The previous prime is 101131120213. The next prime is 101131120271. The reversal of 101131120220 is 22021131101.

It is a junction number, because it is equal to n+sod(n) for n = 101131120195 and 101131120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1899314 + ... + 1951833.

It is an arithmetic number, because the mean of its divisors is an integer number (4812009426).

Almost surely, 2^101131120220 is an apocalyptic number.

101131120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101131120220 is an abundant number, since it is smaller than the sum of its proper divisors (129845332228).

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

101131120220 is a wasteful number, since it uses less digits than its factorization.

101131120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851270 (or 3851268 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101131120220 its reverse (22021131101), we get a palindrome (123152251321).

The spelling of 101131120220 in words is "one hundred one billion, one hundred thirty-one million, one hundred twenty thousand, two hundred twenty".