20211110111022 has 16 divisors (see below), whose sum is σ = 41025536942592. Its totient is φ = 6636483916920.

The previous prime is 20211110111009. The next prime is 20211110111047. The reversal of 20211110111022 is 22011101111202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20211110110992 and 20211110111010.

It is a congruent number.

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, 25138196254 + ... + 25138197057.

It is an arithmetic number, because the mean of its divisors is an integer number (2564096058912).

Almost surely, 2^{20211110111022} is an apocalyptic number.

20211110111022 is an abundant number, since it is smaller than the sum of its proper divisors (20814426831570).

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

20211110111022 is a wasteful number, since it uses less digits than its factorization.

20211110111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50276393383.

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

Adding to 20211110111022 its reverse (22011101111202), we get a palindrome (42222211222224).

The spelling of 20211110111022 in words is "twenty trillion, two hundred eleven billion, one hundred ten million, one hundred eleven thousand, twenty-two".