201111213400 has 96 divisors (see below), whose sum is σ = 501100561440. Its totient is φ = 74867189760.

The previous prime is 201111213379. The next prime is 201111213431. The reversal of 201111213400 is 4312111102.

201111213400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420609 + ... + 761008.

It is an arithmetic number, because the mean of its divisors is an integer number (5219797515).

Almost surely, 2^201111213400 is an apocalyptic number.

201111213400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201111213400 is an abundant number, since it is smaller than the sum of its proper divisors (299989348040).

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

201111213400 is a wasteful number, since it uses less digits than its factorization.

201111213400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181693 (or 1181684 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 201111213400 its reverse (4312111102), we get a palindrome (205423324502).

The spelling of 201111213400 in words is "two hundred one billion, one hundred eleven million, two hundred thirteen thousand, four hundred".