1011100001222 has 16 divisors (see below), whose sum is σ = 1601673944640. Its totient is φ = 477382028328.

The previous prime is 1011100001209. The next prime is 1011100001243. The reversal of 1011100001222 is 2221000011101.

1011100001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1011100001222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43323668 + ... + 43346999.

It is an arithmetic number, because the mean of its divisors is an integer number (100104621540).

Almost surely, 2^{1011100001222} is an apocalyptic number.

1011100001222 is a deficient number, since it is larger than the sum of its proper divisors (590573943418).

1011100001222 is a wasteful number, since it uses less digits than its factorization.

1011100001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86670995.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011100001222 its reverse (2221000011101), we get a palindrome (3232100012323).

The spelling of 1011100001222 in words is "one trillion, eleven billion, one hundred million, one thousand, two hundred twenty-two".