1121230428299 has 4 divisors (see below), whose sum is σ = 1123194054840. Its totient is φ = 1119266801760.

The previous prime is 1121230428281. The next prime is 1121230428337. The reversal of 1121230428299 is 9928240321211.

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 1121230428299 - 2¹² = 1121230424203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121230428499) 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, 981812414 + ... + 981813555.

It is an arithmetic number, because the mean of its divisors is an integer number (280798513710).

Almost surely, 2^{1121230428299} is an apocalyptic number.

1121230428299 is a deficient number, since it is larger than the sum of its proper divisors (1963626541).

1121230428299 is an equidigital number, since it uses as much as digits as its factorization.

1121230428299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963626540.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 1121230428299 in words is "one trillion, one hundred twenty-one billion, two hundred thirty million, four hundred twenty-eight thousand, two hundred ninety-nine".