121120021010200 has 48 divisors (see below), whose sum is σ = 283659552919080. Its totient is φ = 48094373295360.

The previous prime is 121120021010099. The next prime is 121120021010203. The reversal of 121120021010200 is 2010120021121.

It is a super-2 number, since 2×121120021010200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120021010203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2210191962 + ... + 2210246761.

Almost surely, 2^{121120021010200} is an apocalyptic number.

121120021010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120021010200 is an abundant number, since it is smaller than the sum of its proper divisors (162539531908880).

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

121120021010200 is a wasteful number, since it uses less digits than its factorization.

121120021010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420438876 (or 4420438867 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121120021010200 its reverse (2010120021121), we get a palindrome (123130141031321).

The spelling of 121120021010200 in words is "one hundred twenty-one trillion, one hundred twenty billion, twenty-one million, ten thousand, two hundred".