21201133110212 has 24 divisors (see below), whose sum is σ = 40875631981632. Its totient is φ = 9541464044000.

The previous prime is 21201133110187. The next prime is 21201133110251.

21201133110212 is nontrivially palindromic in base 10.

21201133110212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 2385361568 + ... + 2385370455.

It is an arithmetic number, because the mean of its divisors is an integer number (1703151332568).

Almost surely, 2^{21201133110212} is an apocalyptic number.

21201133110212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21201133110212 is a deficient number, since it is larger than the sum of its proper divisors (19674498871420).

21201133110212 is a wasteful number, since it uses less digits than its factorization.

21201133110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770732139 (or 4770732137 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

It can be divided in two parts, 2120113 and 3110212, that added together give a palindrome (5230325).

The spelling of 21201133110212 in words is "twenty-one trillion, two hundred one billion, one hundred thirty-three million, one hundred ten thousand, two hundred twelve".