101213111400 has 96 divisors (see below), whose sum is σ = 315337704000. Its totient is φ = 26854502400.

The previous prime is 101213111399. The next prime is 101213111407. The reversal of 101213111400 is 4111312101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101213111400.

It is not an unprimeable number, because it can be changed into a prime (101213111407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304441 + ... + 543240.

It is an arithmetic number, because the mean of its divisors is an integer number (3284767750).

Almost surely, 2^101213111400 is an apocalyptic number.

101213111400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101213111400 is an abundant number, since it is smaller than the sum of its proper divisors (214124592600).

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

101213111400 is a wasteful number, since it uses less digits than its factorization.

101213111400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847899 (or 847890 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101213111400 its reverse (4111312101), we get a palindrome (105324423501).

The spelling of 101213111400 in words is "one hundred one billion, two hundred thirteen million, one hundred eleven thousand, four hundred".