1122000312021 has 4 divisors (see below), whose sum is σ = 1496000416032. Its totient is φ = 748000208012.

The previous prime is 1122000312007. The next prime is 1122000312107. The reversal of 1122000312021 is 1202130002211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122000312021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122000312221) 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, 187000052001 + ... + 187000052006.

It is an arithmetic number, because the mean of its divisors is an integer number (374000104008).

Almost surely, 2^{1122000312021} is an apocalyptic number.

It is an amenable number.

1122000312021 is a deficient number, since it is larger than the sum of its proper divisors (374000104011).

1122000312021 is an equidigital number, since it uses as much as digits as its factorization.

1122000312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374000104010.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1122000312021 its reverse (1202130002211), we get a palindrome (2324130314232).

The spelling of 1122000312021 in words is "one trillion, one hundred twenty-two billion, three hundred twelve thousand, twenty-one".