1011102331220 has 12 divisors (see below), whose sum is σ = 2123314895604. Its totient is φ = 404440932480.

The previous prime is 1011102331207. The next prime is 1011102331237. The reversal of 1011102331220 is 221332011101.

1011102331220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198457776196 + 812644555024 = 445486^2 + 901468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25277558261 + ... + 25277558300.

It is an arithmetic number, because the mean of its divisors is an integer number (176942907967).

Almost surely, 2^{1011102331220} is an apocalyptic number.

1011102331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011102331220 is an abundant number, since it is smaller than the sum of its proper divisors (1112212564384).

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

1011102331220 is a wasteful number, since it uses less digits than its factorization.

1011102331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50555116570 (or 50555116568 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1011102331220 its reverse (221332011101), we get a palindrome (1232434342321).

The spelling of 1011102331220 in words is "one trillion, eleven billion, one hundred two million, three hundred thirty-one thousand, two hundred twenty".