1011122221204 has 12 divisors (see below), whose sum is σ = 1769489971200. Its totient is φ = 505553658008.

The previous prime is 1011122221199. The next prime is 1011122221243. The reversal of 1011122221204 is 4021222211101.

1011122221204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1552114 + ... + 2105065.

It is an arithmetic number, because the mean of its divisors is an integer number (147457497600).

Almost surely, 2^{1011122221204} is an apocalyptic number.

It is an amenable number.

1011122221204 is a deficient number, since it is larger than the sum of its proper divisors (758367749996).

1011122221204 is a wasteful number, since it uses less digits than its factorization.

1011122221204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726302 (or 3726300 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1011122221204 its reverse (4021222211101), we get a palindrome (5032344432305).

The spelling of 1011122221204 in words is "one trillion, eleven billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred four".