1001112100222 has 32 divisors (see below), whose sum is σ = 1712368778400. Its totient is φ = 437733189504.

The previous prime is 1001112100211. The next prime is 1001112100249. The reversal of 1001112100222 is 2220012111001.

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

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, 5912203 + ... + 6079174.

It is an arithmetic number, because the mean of its divisors is an integer number (53511524325).

Almost surely, 2^{1001112100222} is an apocalyptic number.

1001112100222 is a deficient number, since it is larger than the sum of its proper divisors (711256678178).

1001112100222 is a wasteful number, since it uses less digits than its factorization.

1001112100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11991437 (or 11991411 counting only the distinct ones).

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

Adding to 1001112100222 its reverse (2220012111001), we get a palindrome (3221124211223).

The spelling of 1001112100222 in words is "one trillion, one billion, one hundred twelve million, one hundred thousand, two hundred twenty-two".