1111221122193 has 64 divisors (see below), whose sum is σ = 2031212736000. Its totient is φ = 584676403200.

The previous prime is 1111221122149. The next prime is 1111221122279. The reversal of 1111221122193 is 3912211221111.

It is not a de Polignac number, because 1111221122193 - 2¹⁴ = 1111221105809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1111221122393) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 421333 + ... + 1549181.

It is an arithmetic number, because the mean of its divisors is an integer number (31737699000).

Almost surely, 2^{1111221122193} is an apocalyptic number.

1111221122193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1111221122193 is a deficient number, since it is larger than the sum of its proper divisors (919991613807).

1111221122193 is a wasteful number, since it uses less digits than its factorization.

1111221122193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128279 (or 1128273 counting only the distinct ones).

The product of its digits is 432, while the sum is 27.

The spelling of 1111221122193 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred ninety-three".