1221222122093 has 8 divisors (see below), whose sum is σ = 1262148143616. Its totient is φ = 1180391835600.

The previous prime is 1221222122077. The next prime is 1221222122117. The reversal of 1221222122093 is 3902212221221.

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

It is a cyclic number.

It is not a de Polignac number, because 1221222122093 - 2⁴ = 1221222122077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221222122033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23907818 + ... + 23958843.

It is an arithmetic number, because the mean of its divisors is an integer number (157768517952).

Almost surely, 2^{1221222122093} is an apocalyptic number.

It is an amenable number.

1221222122093 is a deficient number, since it is larger than the sum of its proper divisors (40926021523).

1221222122093 is an equidigital number, since it uses as much as digits as its factorization.

1221222122093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47867515.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1221222122093 in words is "one trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-two thousand, ninety-three".