120121201110 has 32 divisors (see below), whose sum is σ = 288361956960. Its totient is φ = 32024423168.

The previous prime is 120121201097. The next prime is 120121201111. The reversal of 120121201110 is 11102121021.

It is a super-2 number, since 2×120121201110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121201111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369345 + ... + 613724.

It is an arithmetic number, because the mean of its divisors is an integer number (9011311155).

Almost surely, 2^120121201110 is an apocalyptic number.

120121201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121201110 is an abundant number, since it is smaller than the sum of its proper divisors (168240755850).

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

120121201110 is a wasteful number, since it uses less digits than its factorization.

120121201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987152.

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

Adding to 120121201110 its reverse (11102121021), we get a palindrome (131223322131).

The spelling of 120121201110 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred one thousand, one hundred ten".