1000222211101 has 6 divisors (see below), whose sum is σ = 1062519788570. Its totient is φ = 941385610176.

The previous prime is 1000222211011. The next prime is 1000222211143. The reversal of 1000222211101 is 1011122220001.

It can be written as a sum of positive squares in 3 ways, for example, as 335589648601 + 664632562500 = 579301^2 + 815250^2 .

It is not a de Polignac number, because 1000222211101 - 2²³ = 1000213822493 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 (1000222221101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1730487966 + ... + 1730488543.

Almost surely, 2^{1000222211101} is an apocalyptic number.

It is an amenable number.

1000222211101 is a deficient number, since it is larger than the sum of its proper divisors (62297577469).

1000222211101 is an equidigital number, since it uses as much as digits as its factorization.

1000222211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460976543 (or 3460976526 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000222211101 its reverse (1011122220001), we get a palindrome (2011344431102).

The spelling of 1000222211101 in words is "one trillion, two hundred twenty-two million, two hundred eleven thousand, one hundred one".