2111012222194 has 4 divisors (see below), whose sum is σ = 3166518333294. Its totient is φ = 1055506111096.

The previous prime is 2111012222149. The next prime is 2111012222213. The reversal of 2111012222194 is 4912222101112.

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., 1303736926969 + 807275295225 = 1141813^2 + 898485^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527753055547 + ... + 527753055550.

Almost surely, 2^{2111012222194} is an apocalyptic number.

2111012222194 is a deficient number, since it is larger than the sum of its proper divisors (1055506111100).

2111012222194 is a wasteful number, since it uses less digits than its factorization.

2111012222194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055506111099.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 2111012222194 in words is "two trillion, one hundred eleven billion, twelve million, two hundred twenty-two thousand, one hundred ninety-four".