20122211011101 has 16 divisors (see below), whose sum is σ = 27557945412096. Its totient is φ = 13053014389296.

The previous prime is 20122211011073. The next prime is 20122211011157. The reversal of 20122211011101 is 10111011222102.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-20122211011101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122211011171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296517655 + ... + 296585508.

It is an arithmetic number, because the mean of its divisors is an integer number (1722371588256).

Almost surely, 2^{20122211011101} is an apocalyptic number.

It is an amenable number.

20122211011101 is a deficient number, since it is larger than the sum of its proper divisors (7435734400995).

20122211011101 is a wasteful number, since it uses less digits than its factorization.

20122211011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593103472.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 20122211011101 its reverse (10111011222102), we get a palindrome (30233222233203).

The spelling of 20122211011101 in words is "twenty trillion, one hundred twenty-two billion, two hundred eleven million, eleven thousand, one hundred one".