1101222100001 has 4 divisors (see below), whose sum is σ = 1108612852500. Its totient is φ = 1093831347504.

The previous prime is 1101222099977. The next prime is 1101222100037. The reversal of 1101222100001 is 1000012221011.

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 160320160000 + 940901940001 = 400400^2 + 970001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101222100001 - 2¹⁸ = 1101221837857 is a prime.

It is a super-2 number, since 2×1101222100001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101222100061) 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, 3695376026 + ... + 3695376323.

It is an arithmetic number, because the mean of its divisors is an integer number (277153213125).

Almost surely, 2^{1101222100001} is an apocalyptic number.

It is an amenable number.

1101222100001 is a deficient number, since it is larger than the sum of its proper divisors (7390752499).

1101222100001 is an equidigital number, since it uses as much as digits as its factorization.

1101222100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390752498.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1101222100001 its reverse (1000012221011), we get a palindrome (2101234321012).

The spelling of 1101222100001 in words is "one trillion, one hundred one billion, two hundred twenty-two million, one hundred thousand, one".