1011222201101 has 16 divisors (see below), whose sum is σ = 1167485700480. Its totient is φ = 857914804800.

The previous prime is 1011222201089. The next prime is 1011222201127. The reversal of 1011222201101 is 1011022221101.

It is a cyclic number.

It is not a de Polignac number, because 1011222201101 - 2²² = 1011218006797 is a prime.

It is a super-2 number, since 2×1011222201101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011222201161) 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 15 ways as a sum of consecutive naturals, for example, 2084675 + ... + 2523551.

It is an arithmetic number, because the mean of its divisors is an integer number (72967856280).

Almost surely, 2^{1011222201101} is an apocalyptic number.

It is an amenable number.

1011222201101 is a deficient number, since it is larger than the sum of its proper divisors (156263499379).

1011222201101 is a wasteful number, since it uses less digits than its factorization.

1011222201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442244.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011222201101 its reverse (1011022221101), we get a palindrome (2022244422202).

The spelling of 1011222201101 in words is "one trillion, eleven billion, two hundred twenty-two million, two hundred one thousand, one hundred one".