2013011221100 has 36 divisors (see below), whose sum is σ = 4765346566008. Its totient is φ = 732004080000.

The previous prime is 2013011221051. The next prime is 2013011221129. The reversal of 2013011221100 is 11221103102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915004001 + ... + 915006200.

Almost surely, 2^{2013011221100} is an apocalyptic number.

2013011221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013011221100 is an abundant number, since it is smaller than the sum of its proper divisors (2752335344908).

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

2013011221100 is a wasteful number, since it uses less digits than its factorization.

2013011221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830010226 (or 1830010219 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2013011221100 its reverse (11221103102), we get a palindrome (2024232324202).

The spelling of 2013011221100 in words is "two trillion, thirteen billion, eleven million, two hundred twenty-one thousand, one hundred".