2112142121301 has 16 divisors (see below), whose sum is σ = 2851971897600. Its totient is φ = 1390205227008.

The previous prime is 2112142121269. The next prime is 2112142121311. The reversal of 2112142121301 is 1031212412112.

It is not a de Polignac number, because 2112142121301 - 2⁵ = 2112142121269 is a prime.

It is a super-2 number, since 2×2112142121301² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112142121311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5112085 + ... + 5509781.

It is an arithmetic number, because the mean of its divisors is an integer number (178248243600).

Almost surely, 2^{2112142121301} is an apocalyptic number.

It is an amenable number.

2112142121301 is a deficient number, since it is larger than the sum of its proper divisors (739829776299).

2112142121301 is a wasteful number, since it uses less digits than its factorization.

2112142121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420188.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 2112142121301 its reverse (1031212412112), we get a palindrome (3143354533413).

The spelling of 2112142121301 in words is "two trillion, one hundred twelve billion, one hundred forty-two million, one hundred twenty-one thousand, three hundred one".