2111002121120 has 96 divisors (see below), whose sum is σ = 5281009650000. Its totient is φ = 794670022656.

The previous prime is 2111002121117. The next prime is 2111002121147. The reversal of 2111002121120 is 211212001112.

It can be written as a sum of positive squares in 8 ways, for example, as 958307860624 + 1152694260496 = 978932^2 + 1073636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2111002121095 and 2111002121104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54459506 + ... + 54498254.

Almost surely, 2^{2111002121120} is an apocalyptic number.

2111002121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111002121120 is an abundant number, since it is smaller than the sum of its proper divisors (3170007528880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111002121120 is a wasteful number, since it uses less digits than its factorization.

2111002121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58810 (or 58802 counting only the distinct ones).

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

Adding to 2111002121120 its reverse (211212001112), we get a palindrome (2322214122232).

The spelling of 2111002121120 in words is "two trillion, one hundred eleven billion, two million, one hundred twenty-one thousand, one hundred twenty".