2102010121111 has 8 divisors (see below), whose sum is σ = 2233931600880. Its totient is φ = 1971007955328.

The previous prime is 2102010121049. The next prime is 2102010121139. The reversal of 2102010121111 is 1111210102012.

It is a happy number.

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 2102010121111 - 2¹⁷ = 2102009990039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102010121091 and 2102010121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102010121171) 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, 229823781 + ... + 229832926.

It is an arithmetic number, because the mean of its divisors is an integer number (279241450110).

Almost surely, 2^{2102010121111} is an apocalyptic number.

2102010121111 is a deficient number, since it is larger than the sum of its proper divisors (131921479769).

2102010121111 is a wasteful number, since it uses less digits than its factorization.

2102010121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459656993.

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

Adding to 2102010121111 its reverse (1111210102012), we get a palindrome (3213220223123).

The spelling of 2102010121111 in words is "two trillion, one hundred two billion, ten million, one hundred twenty-one thousand, one hundred eleven".