2100120120111 has 16 divisors (see below), whose sum is σ = 3015722307584. Its totient is φ = 1292310807264.

The previous prime is 2100120120061. The next prime is 2100120120121. The reversal of 2100120120111 is 1110210210012.

It is not a de Polignac number, because 2100120120111 - 2¹⁴ = 2100120103727 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 (2100120120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749611 + ... + 2182236.

It is an arithmetic number, because the mean of its divisors is an integer number (188482644224).

Almost surely, 2^{2100120120111} is an apocalyptic number.

2100120120111 is a deficient number, since it is larger than the sum of its proper divisors (915602187473).

2100120120111 is a wasteful number, since it uses less digits than its factorization.

2100120120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950230.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2100120120111 its reverse (1110210210012), we get a palindrome (3210330330123).

The spelling of 2100120120111 in words is "two trillion, one hundred billion, one hundred twenty million, one hundred twenty thousand, one hundred eleven".