1221222111094 has 8 divisors (see below), whose sum is σ = 1839497741280. Its totient is φ = 608056197336.

The previous prime is 1221222111071. The next prime is 1221222111127. The reversal of 1221222111094 is 4901112221221.

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

It is a congruent number.

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, 1277428509 + ... + 1277429464.

It is an arithmetic number, because the mean of its divisors is an integer number (229937217660).

Almost surely, 2^{1221222111094} is an apocalyptic number.

1221222111094 is a deficient number, since it is larger than the sum of its proper divisors (618275630186).

1221222111094 is a wasteful number, since it uses less digits than its factorization.

1221222111094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554858214.

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

The spelling of 1221222111094 in words is "one trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, ninety-four".