121120102201111 has 32 divisors (see below), whose sum is σ = 141310144116288. Its totient is φ = 102815099781120.

The previous prime is 121120102200991. The next prime is 121120102201141. The reversal of 121120102201111 is 111102201021121.

It is a cyclic number.

It is not a de Polignac number, because 121120102201111 - 2²³ = 121120093812503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120102201141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33356010 + ... + 36808471.

It is an arithmetic number, because the mean of its divisors is an integer number (4415942003634).

Almost surely, 2^{121120102201111} is an apocalyptic number.

121120102201111 is a deficient number, since it is larger than the sum of its proper divisors (20190041915177).

121120102201111 is a wasteful number, since it uses less digits than its factorization.

121120102201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70164691.

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

Adding to 121120102201111 its reverse (111102201021121), we get a palindrome (232222303222232).

The spelling of 121120102201111 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred two million, two hundred one thousand, one hundred eleven".