1100210101212 has 12 divisors (see below), whose sum is σ = 2567156902856. Its totient is φ = 366736700400.

The previous prime is 1100210101171. The next prime is 1100210101213. The reversal of 1100210101212 is 2121010120011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 91684175101 = 1100210101212 / (1 + 1 + 0 + 0 + 2 + 1 + 0 + 1 + 0 + 1 + 2 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100210101213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45842087539 + ... + 45842087562.

Almost surely, 2^{1100210101212} is an apocalyptic number.

1100210101212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100210101212 is an abundant number, since it is smaller than the sum of its proper divisors (1466946801644).

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

1100210101212 is a wasteful number, since it uses less digits than its factorization.

1100210101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91684175108 (or 91684175106 counting only the distinct ones).

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

Adding to 1100210101212 its reverse (2121010120011), we get a palindrome (3221220221223).

The spelling of 1100210101212 in words is "one trillion, one hundred billion, two hundred ten million, one hundred one thousand, two hundred twelve".