1001020011122 has 16 divisors (see below), whose sum is σ = 1644677910360. Its totient is φ = 454824507648.

The previous prime is 1001020011077. The next prime is 1001020011157. The reversal of 1001020011122 is 2211100201001.

It can be written as a sum of positive squares in 4 ways, for example, as 724134623521 + 276885387601 = 850961^2 + 526199^2 .

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, 507615653 + ... + 507617624.

Almost surely, 2^{1001020011122} is an apocalyptic number.

1001020011122 is a deficient number, since it is larger than the sum of its proper divisors (643657899238).

1001020011122 is a wasteful number, since it uses less digits than its factorization.

1001020011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015233325.

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

Adding to 1001020011122 its reverse (2211100201001), we get a palindrome (3212120212123).

The spelling of 1001020011122 in words is "one trillion, one billion, twenty million, eleven thousand, one hundred twenty-two".