10011022121091 has 16 divisors (see below), whose sum is σ = 13540587933600. Its totient is φ = 6578208645888.

The previous prime is 10011022121069. The next prime is 10011022121117. The reversal of 10011022121091 is 19012122011001.

It is not a de Polignac number, because 10011022121091 - 2⁵ = 10011022121059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10011022121591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59054896 + ... + 59224173.

It is an arithmetic number, because the mean of its divisors is an integer number (846286745850).

Almost surely, 2^{10011022121091} is an apocalyptic number.

10011022121091 is a deficient number, since it is larger than the sum of its proper divisors (3529565812509).

10011022121091 is a wasteful number, since it uses less digits than its factorization.

10011022121091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118279478.

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 10011022121091 its reverse (19012122011001), we get a palindrome (29023144132092).

The spelling of 10011022121091 in words is "ten trillion, eleven billion, twenty-two million, one hundred twenty-one thousand, ninety-one".