10211211212120 has 16 divisors (see below), whose sum is σ = 22975225227360. Its totient is φ = 4084484484832.

The previous prime is 10211211212107. The next prime is 10211211212149. The reversal of 10211211212120 is 2121211211201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127640140112 + ... + 127640140191.

It is an arithmetic number, because the mean of its divisors is an integer number (1435951576710).

Almost surely, 2^{10211211212120} is an apocalyptic number.

10211211212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211211212120 is an abundant number, since it is smaller than the sum of its proper divisors (12764014015240).

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

10211211212120 is a wasteful number, since it uses less digits than its factorization.

10211211212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255280280314 (or 255280280310 counting only the distinct ones).

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

Adding to 10211211212120 its reverse (2121211211201), we get a palindrome (12332422423321).

The spelling of 10211211212120 in words is "ten trillion, two hundred eleven billion, two hundred eleven million, two hundred twelve thousand, one hundred twenty".