1122211231399 has 4 divisors (see below), whose sum is σ = 1181274980440. Its totient is φ = 1063147482360.

The previous prime is 1122211231303. The next prime is 1122211231429. The reversal of 1122211231399 is 9931321122211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122211231399 - 2⁹ = 1122211230887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122211211399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29531874492 + ... + 29531874529.

It is an arithmetic number, because the mean of its divisors is an integer number (295318745110).

Almost surely, 2^{1122211231399} is an apocalyptic number.

1122211231399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1122211231399 is a deficient number, since it is larger than the sum of its proper divisors (59063749041).

1122211231399 is an equidigital number, since it uses as much as digits as its factorization.

1122211231399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59063749040.

The product of its digits is 11664, while the sum is 37.

The spelling of 1122211231399 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, two hundred thirty-one thousand, three hundred ninety-nine".