121120212011122 has 32 divisors (see below), whose sum is σ = 188221384733184. Its totient is φ = 58394310566400.

The previous prime is 121120212011107. The next prime is 121120212011159. The reversal of 121120212011122 is 221110212021121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121120212011122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15677218 + ... + 22091074.

It is an arithmetic number, because the mean of its divisors is an integer number (5881918272912).

Almost surely, 2^{121120212011122} is an apocalyptic number.

121120212011122 is a deficient number, since it is larger than the sum of its proper divisors (67101172722062).

121120212011122 is a wasteful number, since it uses less digits than its factorization.

121120212011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414994.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121120212011122 its reverse (221110212021121), we get a palindrome (342230424032243).

Subtracting 121120212011122 from its reverse (221110212021121), we obtain a palindrome (99990000009999).

The spelling of 121120212011122 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twelve million, eleven thousand, one hundred twenty-two".