2112011100121 has 8 divisors (see below), whose sum is σ = 2274485003840. Its totient is φ = 1949538840912.

The previous prime is 2112011100077. The next prime is 2112011100131. The reversal of 2112011100121 is 1210011102112.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2112011100121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112011100131) 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, 4045756 + ... + 4537858.

It is an arithmetic number, because the mean of its divisors is an integer number (284310625480).

Almost surely, 2^{2112011100121} is an apocalyptic number.

It is an amenable number.

2112011100121 is a deficient number, since it is larger than the sum of its proper divisors (162473903719).

2112011100121 is a wasteful number, since it uses less digits than its factorization.

2112011100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822255.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2112011100121 its reverse (1210011102112), we get a palindrome (3322022202233).

The spelling of 2112011100121 in words is "two trillion, one hundred twelve billion, eleven million, one hundred thousand, one hundred twenty-one".