2102351233111 has 4 divisors (see below), whose sum is σ = 2109940949032. Its totient is φ = 2094761517192.

The previous prime is 2102351233091. The next prime is 2102351233121. The reversal of 2102351233111 is 1113321532012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102351233111 - 2⁷ = 2102351232983 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 (2102351233121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3794857545 + ... + 3794858098.

It is an arithmetic number, because the mean of its divisors is an integer number (527485237258).

Almost surely, 2^{2102351233111} is an apocalyptic number.

2102351233111 is a deficient number, since it is larger than the sum of its proper divisors (7589715921).

2102351233111 is an equidigital number, since it uses as much as digits as its factorization.

2102351233111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589715920.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 2102351233111 its reverse (1113321532012), we get a palindrome (3215672765123).

The spelling of 2102351233111 in words is "two trillion, one hundred two billion, three hundred fifty-one million, two hundred thirty-three thousand, one hundred eleven".