2111212010120 has 16 divisors (see below), whose sum is σ = 4750227022860. Its totient is φ = 844484804032.

The previous prime is 2111212010119. The next prime is 2111212010129. The reversal of 2111212010120 is 210102121112.

It can be written as a sum of positive squares in 2 ways, for example, as 2006421256324 + 104790753796 = 1416482^2 + 323714^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2111212010095 and 2111212010104.

It is not an unprimeable number, because it can be changed into a prime (2111212010129) 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, 26390150087 + ... + 26390150166.

Almost surely, 2^{2111212010120} is an apocalyptic number.

2111212010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111212010120 is an abundant number, since it is smaller than the sum of its proper divisors (2639015012740).

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

2111212010120 is a wasteful number, since it uses less digits than its factorization.

2111212010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52780300264 (or 52780300260 counting only the distinct ones).

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

Adding to 2111212010120 its reverse (210102121112), we get a palindrome (2321314131232).

The spelling of 2111212010120 in words is "two trillion, one hundred eleven billion, two hundred twelve million, ten thousand, one hundred twenty".