2111002102121 has 8 divisors (see below), whose sum is σ = 2351909499264. Its totient is φ = 1878261057520.

The previous prime is 2111002102049. The next prime is 2111002102133. The reversal of 2111002102121 is 1212012001112.

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 2111002102121 - 2¹⁰ = 2111002101097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111002102096 and 2111002102105.

It is not an unprimeable number, because it can be changed into a prime (2111002104121) 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, 2041587590 + ... + 2041588623.

It is an arithmetic number, because the mean of its divisors is an integer number (293988687408).

Almost surely, 2^{2111002102121} is an apocalyptic number.

It is an amenable number.

2111002102121 is a deficient number, since it is larger than the sum of its proper divisors (240907397143).

2111002102121 is a wasteful number, since it uses less digits than its factorization.

2111002102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083176271.

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

Adding to 2111002102121 its reverse (1212012001112), we get a palindrome (3323014103233).

The spelling of 2111002102121 in words is "two trillion, one hundred eleven billion, two million, one hundred two thousand, one hundred twenty-one".