1000404222111 has 96 divisors (see below), whose sum is σ = 1771508164608. Its totient is φ = 530999147520.

The previous prime is 1000404222107. The next prime is 1000404222119. The reversal of 1000404222111 is 1112224040001.

It is not a de Polignac number, because 1000404222111 - 2² = 1000404222107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000404222119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 94310170 + ... + 94320776.

It is an arithmetic number, because the mean of its divisors is an integer number (18453210048).

Almost surely, 2^{1000404222111} is an apocalyptic number.

1000404222111 is a deficient number, since it is larger than the sum of its proper divisors (771103942497).

1000404222111 is a wasteful number, since it uses less digits than its factorization.

1000404222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11781 (or 11778 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1000404222111 its reverse (1112224040001), we get a palindrome (2112628262112).

The spelling of 1000404222111 in words is "one trillion, four hundred four million, two hundred twenty-two thousand, one hundred eleven".