10211111210120 has 64 divisors (see below), whose sum is σ = 23491705536000. Its totient is φ = 3993589686528.

The previous prime is 10211111210119. The next prime is 10211111210137. The reversal of 10211111210120 is 2101211111201.

It is a junction number, because it is equal to n+sod(n) for n = 10211111210095 and 10211111210104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15360755 + ... + 16011714.

It is an arithmetic number, because the mean of its divisors is an integer number (367057899000).

Almost surely, 2^{10211111210120} is an apocalyptic number.

10211111210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211111210120 is an abundant number, since it is smaller than the sum of its proper divisors (13280594325880).

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

10211111210120 is a wasteful number, since it uses less digits than its factorization.

10211111210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31372662 (or 31372658 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10211111210120 its reverse (2101211111201), we get a palindrome (12312322321321).

The spelling of 10211111210120 in words is "ten trillion, two hundred eleven billion, one hundred eleven million, two hundred ten thousand, one hundred twenty".