1000222212111 has 32 divisors (see below), whose sum is σ = 1385382121728. Its totient is φ = 641415075840.

The previous prime is 1000222212107. The next prime is 1000222212133. The reversal of 1000222212111 is 1112122220001.

It is not a de Polignac number, because 1000222212111 - 2² = 1000222212107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222212811) 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 31 ways as a sum of consecutive naturals, for example, 37644271 + ... + 37670831.

It is an arithmetic number, because the mean of its divisors is an integer number (43293191304).

Almost surely, 2^{1000222212111} is an apocalyptic number.

1000222212111 is a deficient number, since it is larger than the sum of its proper divisors (385159909617).

1000222212111 is a wasteful number, since it uses less digits than its factorization.

1000222212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31031.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1000222212111 its reverse (1112122220001), we get a palindrome (2112344432112).

The spelling of 1000222212111 in words is "one trillion, two hundred twenty-two million, two hundred twelve thousand, one hundred eleven".