2112012100121 has 8 divisors (see below), whose sum is σ = 2633157943104. Its totient is φ = 1645723714320.

The previous prime is 2112012100109. The next prime is 2112012100141. The reversal of 2112012100121 is 1210012102112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112012100121 - 2⁶ = 2112012100057 is a prime.

It is a super-2 number, since 2×2112012100121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112012100096 and 2112012100105.

It is not an unprimeable number, because it can be changed into a prime (2112012100141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13714364210 + ... + 13714364363.

It is an arithmetic number, because the mean of its divisors is an integer number (329144742888).

Almost surely, 2^{2112012100121} is an apocalyptic number.

It is an amenable number.

2112012100121 is a deficient number, since it is larger than the sum of its proper divisors (521145842983).

2112012100121 is a wasteful number, since it uses less digits than its factorization.

2112012100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27428728591.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2112012100121 its reverse (1210012102112), we get a palindrome (3322024202233).

The spelling of 2112012100121 in words is "two trillion, one hundred twelve billion, twelve million, one hundred thousand, one hundred twenty-one".