11212110212120 has 32 divisors (see below), whose sum is σ = 25227357545520. Its totient is φ = 4484824606080.

The previous prime is 11212110212119. The next prime is 11212110212141. The reversal of 11212110212120 is 2121201121211.

It is a super-2 number, since 2×11212110212120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11878775 + ... + 12787865.

Almost surely, 2^{11212110212120} is an apocalyptic number.

11212110212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212110212120 is an abundant number, since it is smaller than the sum of its proper divisors (14015247333400).

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

11212110212120 is a wasteful number, since it uses less digits than its factorization.

11212110212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217435 (or 1217431 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11212110212120 its reverse (2121201121211), we get a palindrome (13333311333331).

Subtracting from 11212110212120 its reverse (2121201121211), we obtain a palindrome (9090909090909).

The spelling of 11212110212120 in words is "eleven trillion, two hundred twelve billion, one hundred ten million, two hundred twelve thousand, one hundred twenty".