10001001012122 has 16 divisors (see below), whose sum is σ = 15033319925760. Its totient is φ = 4989895065648.

The previous prime is 10001001012071. The next prime is 10001001012139. The reversal of 10001001012122 is 22121010010001.

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, 31693628 + ... + 32007624.

It is an arithmetic number, because the mean of its divisors is an integer number (939582495360).

Almost surely, 2^{10001001012122} is an apocalyptic number.

10001001012122 is a deficient number, since it is larger than the sum of its proper divisors (5032318913638).

10001001012122 is a wasteful number, since it uses less digits than its factorization.

10001001012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347725.

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

Adding to 10001001012122 its reverse (22121010010001), we get a palindrome (32122011022123).

The spelling of 10001001012122 in words is "ten trillion, one billion, one million, twelve thousand, one hundred twenty-two".