121111101120194 has 8 divisors (see below), whose sum is σ = 181738713033228. Its totient is φ = 60531530109120.

The previous prime is 121111101120173. The next prime is 121111101120197. The reversal of 121111101120194 is 491021101111121.

It can be written as a sum of positive squares in 2 ways, for example, as 89181108780625 + 31929992339569 = 9443575^2 + 5650663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121111101120197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12010219187 + ... + 12010229270.

Almost surely, 2^{121111101120194} is an apocalyptic number.

121111101120194 is a deficient number, since it is larger than the sum of its proper divisors (60627611913034).

121111101120194 is a wasteful number, since it uses less digits than its factorization.

121111101120194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24020450980.

The product of its (nonzero) digits is 144, while the sum is 26.

The spelling of 121111101120194 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred one million, one hundred twenty thousand, one hundred ninety-four".