20211101110122 has 32 divisors (see below), whose sum is σ = 43588210585920. Its totient is φ = 6210713456640.

The previous prime is 20211101110103. The next prime is 20211101110141. The reversal of 20211101110122 is 22101110111202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20211101110103) and next prime (20211101110141).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168416404 + ... + 168536367.

It is an arithmetic number, because the mean of its divisors is an integer number (1362131580810).

Almost surely, 2^{20211101110122} is an apocalyptic number.

20211101110122 is an abundant number, since it is smaller than the sum of its proper divisors (23377109475798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211101110122 is a wasteful number, since it uses less digits than its factorization.

20211101110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336953558.

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

Adding to 20211101110122 its reverse (22101110111202), we get a palindrome (42312211221324).

The spelling of 20211101110122 in words is "twenty trillion, two hundred eleven billion, one hundred one million, one hundred ten thousand, one hundred twenty-two".