1010111210020 has 48 divisors (see below), whose sum is σ = 2314141760448. Its totient is φ = 367302245760.

The previous prime is 1010111209981. The next prime is 1010111210023. The reversal of 1010111210020 is 200121110101.

1010111210020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1010111209979 and 1010111210006.

It is not an unprimeable number, because it can be changed into a prime (1010111210023) 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, 13164607 + ... + 13241113.

It is an arithmetic number, because the mean of its divisors is an integer number (48211286676).

Almost surely, 2^{1010111210020} is an apocalyptic number.

1010111210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010111210020 is an abundant number, since it is smaller than the sum of its proper divisors (1304030550428).

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

1010111210020 is a wasteful number, since it uses less digits than its factorization.

1010111210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136540 (or 136538 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1010111210020 its reverse (200121110101), we get a palindrome (1210232320121).

The spelling of 1010111210020 in words is "one trillion, ten billion, one hundred eleven million, two hundred ten thousand, twenty".