1122200221001 has 4 divisors (see below), whose sum is σ = 1128400222404. Its totient is φ = 1116000219600.

The previous prime is 1122200220989. The next prime is 1122200221007. The reversal of 1122200221001 is 1001220022211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 128292912400 + 993907308601 = 358180^2 + 996949^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122200221001 - 2¹⁰ = 1122200219977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122200221007) 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, 3100000430 + ... + 3100000791.

It is an arithmetic number, because the mean of its divisors is an integer number (282100055601).

Almost surely, 2^{1122200221001} is an apocalyptic number.

It is an amenable number.

1122200221001 is a deficient number, since it is larger than the sum of its proper divisors (6200001403).

1122200221001 is an equidigital number, since it uses as much as digits as its factorization.

1122200221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200001402.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1122200221001 its reverse (1001220022211), we get a palindrome (2123420243212).

The spelling of 1122200221001 in words is "one trillion, one hundred twenty-two billion, two hundred million, two hundred twenty-one thousand, one".