121011000210120 has 32 divisors (see below), whose sum is σ = 363033000630720. Its totient is φ = 32269600056000.

The previous prime is 121011000210091. The next prime is 121011000210143. The reversal of 121011000210120 is 21012000110121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 121011000210096 and 121011000210105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504212500756 + ... + 504212500995.

It is an arithmetic number, because the mean of its divisors is an integer number (11344781269710).

Almost surely, 2^{121011000210120} is an apocalyptic number.

121011000210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121011000210120 is an abundant number, since it is smaller than the sum of its proper divisors (242022000420600).

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

121011000210120 is a wasteful number, since it uses less digits than its factorization.

121011000210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008425001765 (or 1008425001761 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121011000210120 its reverse (21012000110121), we get a palindrome (142023000320241).

Subtracting from 121011000210120 its reverse (21012000110121), we obtain a palindrome (99999000099999).

The spelling of 121011000210120 in words is "one hundred twenty-one trillion, eleven billion, two hundred ten thousand, one hundred twenty".