1122301211221 has 4 divisors (see below), whose sum is σ = 1127940916000. Its totient is φ = 1116661506444.

The previous prime is 1122301211209. The next prime is 1122301211233. The reversal of 1122301211221 is 1221121032211.

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 an interprime number because it is at equal distance from previous prime (1122301211209) and next prime (1122301211233).

It is a cyclic number.

It is not a de Polignac number, because 1122301211221 - 2⁵ = 1122301211189 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 (1122301211821) 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, 2819852091 + ... + 2819852488.

It is an arithmetic number, because the mean of its divisors is an integer number (281985229000).

Almost surely, 2^{1122301211221} is an apocalyptic number.

It is an amenable number.

1122301211221 is a deficient number, since it is larger than the sum of its proper divisors (5639704779).

1122301211221 is an equidigital number, since it uses as much as digits as its factorization.

1122301211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639704778.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1122301211221 its reverse (1221121032211), we get a palindrome (2343422243432).

The spelling of 1122301211221 in words is "one trillion, one hundred twenty-two billion, three hundred one million, two hundred eleven thousand, two hundred twenty-one".