1001101211222 has 16 divisors (see below), whose sum is σ = 1716885372672. Its totient is φ = 428865409320.

The previous prime is 1001101211221. The next prime is 1001101211239. The reversal of 1001101211222 is 2221121011001.

It is a super-2 number, since 2×1001101211222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1001101211197 and 1001101211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001101211221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14795618 + ... + 14863125.

It is an arithmetic number, because the mean of its divisors is an integer number (107305335792).

Almost surely, 2^{1001101211222} is an apocalyptic number.

1001101211222 is a deficient number, since it is larger than the sum of its proper divisors (715784161450).

1001101211222 is a wasteful number, since it uses less digits than its factorization.

1001101211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29661163.

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

Adding to 1001101211222 its reverse (2221121011001), we get a palindrome (3222222222223).

The spelling of 1001101211222 in words is "one trillion, one billion, one hundred one million, two hundred eleven thousand, two hundred twenty-two".