2120011102111 has 8 divisors (see below), whose sum is σ = 2425136322080. Its totient is φ = 1815452504928.

The previous prime is 2120011102009. The next prime is 2120011102133. The reversal of 2120011102111 is 1112011100212.

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 2120011102111 - 2¹⁵ = 2120011069343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120011102091 and 2120011102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120011102141) 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, 141647676 + ... + 141662641.

It is an arithmetic number, because the mean of its divisors is an integer number (303142040260).

Almost surely, 2^{2120011102111} is an apocalyptic number.

2120011102111 is a deficient number, since it is larger than the sum of its proper divisors (305125219969).

2120011102111 is a wasteful number, since it uses less digits than its factorization.

2120011102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283311393.

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

Adding to 2120011102111 its reverse (1112011100212), we get a palindrome (3232022202323).

The spelling of 2120011102111 in words is "two trillion, one hundred twenty billion, eleven million, one hundred two thousand, one hundred eleven".