121122011011110 has 16 divisors (see below), whose sum is σ = 290692826426736. Its totient is φ = 32299202936288.

The previous prime is 121122011011103. The next prime is 121122011011129. The reversal of 121122011011110 is 11110110221121.

121122011011110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121122011011110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018700183489 + ... + 2018700183548.

It is an arithmetic number, because the mean of its divisors is an integer number (18168301651671).

Almost surely, 2^{121122011011110} is an apocalyptic number.

121122011011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122011011110 is an abundant number, since it is smaller than the sum of its proper divisors (169570815415626).

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

121122011011110 is a wasteful number, since it uses less digits than its factorization.

121122011011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037400367047.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121122011011110 its reverse (11110110221121), we get a palindrome (132232121232231).

The spelling of 121122011011110 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, eleven million, eleven thousand, one hundred ten".