122120121021194 has 4 divisors (see below), whose sum is σ = 183180181531794. Its totient is φ = 61060060510596.

The previous prime is 122120121021181. The next prime is 122120121021247. The reversal of 122120121021194 is 491120121021221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74113417477225 + 48006703543969 = 8608915^2 + 6928687^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530030255297 + ... + 30530030255300.

Almost surely, 2^{122120121021194} is an apocalyptic number.

122120121021194 is a deficient number, since it is larger than the sum of its proper divisors (61060060510600).

122120121021194 is an equidigital number, since it uses as much as digits as its factorization.

122120121021194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61060060510599.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 122120121021194 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, one hundred ninety-four".