1011312232210 has 64 divisors (see below), whose sum is σ = 2191683098880. Its totient is φ = 328220294400.

The previous prime is 1011312232159. The next prime is 1011312232211. The reversal of 1011312232210 is 122322131101.

1011312232210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1011312232210² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1011312232211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1337860 + ... + 1952560.

It is an arithmetic number, because the mean of its divisors is an integer number (34245048420).

Almost surely, 2^{1011312232210} is an apocalyptic number.

1011312232210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011312232210 is an abundant number, since it is smaller than the sum of its proper divisors (1180370866670).

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

1011312232210 is a wasteful number, since it uses less digits than its factorization.

1011312232210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615971.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1011312232210 its reverse (122322131101), we get a palindrome (1133634363311).

The spelling of 1011312232210 in words is "one trillion, eleven billion, three hundred twelve million, two hundred thirty-two thousand, two hundred ten".