121110211211120 has 20 divisors (see below), whose sum is σ = 281581241066040. Its totient is φ = 48444084484416.

The previous prime is 121110211211083. The next prime is 121110211211137. The reversal of 121110211211120 is 21112112011121.

It is a tau number, because it is divible by the number of its divisors (20).

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, 756938819990 + ... + 756938820149.

It is an arithmetic number, because the mean of its divisors is an integer number (14079062053302).

Almost surely, 2^{121110211211120} is an apocalyptic number.

121110211211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121110211211120 is an abundant number, since it is smaller than the sum of its proper divisors (160471029854920).

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

121110211211120 is a wasteful number, since it uses less digits than its factorization.

121110211211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513877640152 (or 1513877640146 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 121110211211120 its reverse (21112112011121), we get a palindrome (142222323222241).

The spelling of 121110211211120 in words is "one hundred twenty-one trillion, one hundred ten billion, two hundred eleven million, two hundred eleven thousand, one hundred twenty".