2121400301112 has 48 divisors (see below), whose sum is σ = 5745574121040. Its totient is φ = 707119283328.

The previous prime is 2121400301107. The next prime is 2121400301129. The reversal of 2121400301112 is 2111030041212.

2121400301112 is a `hidden beast` number, since 2 + 121 + 400 + 30 + 1 + 112 = 666.

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 11 ways as a sum of consecutive naturals, for example, 3701908 + ... + 4236380.

It is an arithmetic number, because the mean of its divisors is an integer number (119699460855).

Almost surely, 2^{2121400301112} is an apocalyptic number.

It is an amenable number.

2121400301112 is an abundant number, since it is smaller than the sum of its proper divisors (3624173819928).

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

2121400301112 is a wasteful number, since it uses less digits than its factorization.

2121400301112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589612 (or 589605 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2121400301112 its reverse (2111030041212), we get a palindrome (4232430342324).

The spelling of 2121400301112 in words is "two trillion, one hundred twenty-one billion, four hundred million, three hundred one thousand, one hundred twelve".