1001222231101 has 16 divisors (see below), whose sum is σ = 1018060021440. Its totient is φ = 984505461120.

The previous prime is 1001222231089. The next prime is 1001222231111. The reversal of 1001222231101 is 1011322221001.

It is a cyclic number.

It is not a de Polignac number, because 1001222231101 - 2³¹ = 999074747453 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 (1001222231111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23042086 + ... + 23085496.

It is an arithmetic number, because the mean of its divisors is an integer number (63628751340).

Almost surely, 2^{1001222231101} is an apocalyptic number.

It is an amenable number.

1001222231101 is a deficient number, since it is larger than the sum of its proper divisors (16837790339).

1001222231101 is a wasteful number, since it uses less digits than its factorization.

1001222231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44796.

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

Adding to 1001222231101 its reverse (1011322221001), we get a palindrome (2012544452102).

The spelling of 1001222231101 in words is "one trillion, one billion, two hundred twenty-two million, two hundred thirty-one thousand, one hundred one".