1011212102100 has 36 divisors (see below), whose sum is σ = 2925773682944. Its totient is φ = 269656560480.

The previous prime is 1011212102027. The next prime is 1011212102101. The reversal of 1011212102100 is 12012121101.

1011212102100 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 (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011212102101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1685353204 + ... + 1685353803.

Almost surely, 2^{1011212102100} is an apocalyptic number.

1011212102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011212102100 is an abundant number, since it is smaller than the sum of its proper divisors (1914561580844).

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

1011212102100 is a wasteful number, since it uses less digits than its factorization.

1011212102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370707024 (or 3370707017 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011212102100 its reverse (12012121101), we get a palindrome (1023224223201).

The spelling of 1011212102100 in words is "one trillion, eleven billion, two hundred twelve million, one hundred two thousand, one hundred".