1000111212022 has 32 divisors (see below), whose sum is σ = 1672260357600. Its totient is φ = 445409707008.

The previous prime is 1000111212011. The next prime is 1000111212091. The reversal of 1000111212022 is 2202121110001.

It is a super-2 number, since 2×1000111212022² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1000111211993 and 1000111212011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888729 + ... + 1670347.

It is an arithmetic number, because the mean of its divisors is an integer number (52258136175).

Almost surely, 2^{1000111212022} is an apocalyptic number.

1000111212022 is a deficient number, since it is larger than the sum of its proper divisors (672149145578).

1000111212022 is a wasteful number, since it uses less digits than its factorization.

1000111212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783360.

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

Adding to 1000111212022 its reverse (2202121110001), we get a palindrome (3202232322023).

The spelling of 1000111212022 in words is "one trillion, one hundred eleven million, two hundred twelve thousand, twenty-two".