2100122120101 has 8 divisors (see below), whose sum is σ = 2102710454624. Its totient is φ = 2097534262320.

The previous prime is 2100122120093. The next prime is 2100122120153. The reversal of 2100122120101 is 1010212210012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100122120101 - 2³ = 2100122120093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100122120171) 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, 9137686 + ... + 9364696.

It is an arithmetic number, because the mean of its divisors is an integer number (262838806828).

Almost surely, 2^{2100122120101} is an apocalyptic number.

It is an amenable number.

2100122120101 is a deficient number, since it is larger than the sum of its proper divisors (2588334523).

2100122120101 is a wasteful number, since it uses less digits than its factorization.

2100122120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238371.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100122120101 its reverse (1010212210012), we get a palindrome (3110334330113).

The spelling of 2100122120101 in words is "two trillion, one hundred billion, one hundred twenty-two million, one hundred twenty thousand, one hundred one".