1001021222104 has 16 divisors (see below), whose sum is σ = 1941635991600. Its totient is φ = 483251624352.

The previous prime is 1001021222099. The next prime is 1001021222129. The reversal of 1001021222104 is 4012221201001.

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, 2157373092 + ... + 2157373555.

It is an arithmetic number, because the mean of its divisors is an integer number (121352249475).

Almost surely, 2^{1001021222104} is an apocalyptic number.

It is an amenable number.

1001021222104 is a deficient number, since it is larger than the sum of its proper divisors (940614769496).

1001021222104 is a wasteful number, since it uses less digits than its factorization.

1001021222104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314746682 (or 4314746678 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1001021222104 its reverse (4012221201001), we get a palindrome (5013242423105).

The spelling of 1001021222104 in words is "one trillion, one billion, twenty-one million, two hundred twenty-two thousand, one hundred four".