20101011120 has 120 divisors (see below), whose sum is σ = 67531722336. Its totient is φ = 5358219264.

The previous prime is 20101011113. The next prime is 20101011137. The reversal of 20101011120 is 2111010102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 3285184 + ... + 3291296.

Almost surely, 2^20101011120 is an apocalyptic number.

20101011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101011120 is an abundant number, since it is smaller than the sum of its proper divisors (47430711216).

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

20101011120 is a wasteful number, since it uses less digits than its factorization.

20101011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699 (or 10690 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20101011120 its reverse (2111010102), we get a palindrome (22212021222).

The spelling of 20101011120 in words is "twenty billion, one hundred one million, eleven thousand, one hundred twenty".