2220311121001 has 4 divisors (see below), whose sum is σ = 2220523053892. Its totient is φ = 2220099188112.

The previous prime is 2220311120971. The next prime is 2220311121023. The reversal of 2220311121001 is 1001211130222.

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 979981203600 + 1240329917401 = 989940^2 + 1113701^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220311121001 - 2¹³ = 2220311112809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220311121901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105950730 + ... + 105971683.

It is an arithmetic number, because the mean of its divisors is an integer number (555130763473).

Almost surely, 2^{2220311121001} is an apocalyptic number.

It is an amenable number.

2220311121001 is a deficient number, since it is larger than the sum of its proper divisors (211932891).

2220311121001 is a wasteful number, since it uses less digits than its factorization.

2220311121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211932890.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2220311121001 its reverse (1001211130222), we get a palindrome (3221522251223).

The spelling of 2220311121001 in words is "two trillion, two hundred twenty billion, three hundred eleven million, one hundred twenty-one thousand, one".