10001111221204 has 48 divisors (see below), whose sum is σ = 17703321672960. Its totient is φ = 4943240265600.

The previous prime is 10001111221187. The next prime is 10001111221223. The reversal of 10001111221204 is 40212211110001.

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, 560685774 + ... + 560703610.

It is an arithmetic number, because the mean of its divisors is an integer number (368819201520).

Almost surely, 2^{10001111221204} is an apocalyptic number.

It is an amenable number.

10001111221204 is a deficient number, since it is larger than the sum of its proper divisors (7702210451756).

10001111221204 is a wasteful number, since it uses less digits than its factorization.

10001111221204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20848 (or 20846 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10001111221204 its reverse (40212211110001), we get a palindrome (50213322331205).

The spelling of 10001111221204 in words is "ten trillion, one billion, one hundred eleven million, two hundred twenty-one thousand, two hundred four".