1121111221004 has 12 divisors (see below), whose sum is σ = 1969404504144. Its totient is φ = 558424219824.

The previous prime is 1121111220997. The next prime is 1121111221057. The reversal of 1121111221004 is 4001221111211.

It is a super-2 number, since 2×1121111221004² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532846487 + ... + 532848590.

It is an arithmetic number, because the mean of its divisors is an integer number (164117042012).

Almost surely, 2^{1121111221004} is an apocalyptic number.

It is an amenable number.

1121111221004 is a deficient number, since it is larger than the sum of its proper divisors (848293283140).

1121111221004 is a wasteful number, since it uses less digits than its factorization.

1121111221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065695344 (or 1065695342 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121111221004 its reverse (4001221111211), we get a palindrome (5122332332215).

The spelling of 1121111221004 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, two hundred twenty-one thousand, four".