1011312312100 has 18 divisors (see below), whose sum is σ = 2194547717474. Its totient is φ = 404524924800.

The previous prime is 1011312312007. The next prime is 1011312312151. The reversal of 1011312312100 is 12132131101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 356559459876 + 654752852224 = 597126^2 + 809168^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5056561461 + ... + 5056561660.

Almost surely, 2^{1011312312100} is an apocalyptic number.

1011312312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011312312100 is an abundant number, since it is smaller than the sum of its proper divisors (1183235405374).

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

1011312312100 is a wasteful number, since it uses less digits than its factorization.

1011312312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113123135 (or 10113123128 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1011312312100 its reverse (12132131101), we get a palindrome (1023444443201).

The spelling of 1011312312100 in words is "one trillion, eleven billion, three hundred twelve million, three hundred twelve thousand, one hundred".