122111220194 has 8 divisors (see below), whose sum is σ = 192807189840. Its totient is φ = 57842156916.

The previous prime is 122111220173. The next prime is 122111220221. The reversal of 122111220194 is 491022111221.

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

It is a super-2 number, since 2×122111220194² (a number of 23 digits) contains 22 as substring.

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, 1606726544 + ... + 1606726619.

It is an arithmetic number, because the mean of its divisors is an integer number (24100898730).

Almost surely, 2^122111220194 is an apocalyptic number.

122111220194 is a deficient number, since it is larger than the sum of its proper divisors (70695969646).

122111220194 is a wasteful number, since it uses less digits than its factorization.

122111220194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213453184.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 122111220194 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred twenty thousand, one hundred ninety-four".