2011213223100 has 54 divisors (see below), whose sum is σ = 6304036116560. Its totient is φ = 536323525920.

The previous prime is 2011213223099. The next prime is 2011213223119. The reversal of 2011213223100 is 13223121102.

2011213223100 is a `hidden beast` number, since 2 + 0 + 11 + 21 + 322 + 310 + 0 = 666.

It is a super-2 number, since 2×2011213223100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1117339780 + ... + 1117341579.

Almost surely, 2^{2011213223100} is an apocalyptic number.

2011213223100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011213223100 is an abundant number, since it is smaller than the sum of its proper divisors (4292822893460).

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

2011213223100 is a wasteful number, since it uses less digits than its factorization.

2011213223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234681379 (or 2234681369 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2011213223100 its reverse (13223121102), we get a palindrome (2024436344202).

The spelling of 2011213223100 in words is "two trillion, eleven billion, two hundred thirteen million, two hundred twenty-three thousand, one hundred".