20211000111022 has 64 divisors (see below), whose sum is σ = 35111945401344. Its totient is φ = 8546016856320.

The previous prime is 20211000110999. The next prime is 20211000111161. The reversal of 20211000111022 is 22011100011202.

It is a junction number, because it is equal to n+sod(n) for n = 20211000110993 and 20211000111011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5207676522 + ... + 5207680402.

It is an arithmetic number, because the mean of its divisors is an integer number (548624146896).

Almost surely, 2^{20211000111022} is an apocalyptic number.

20211000111022 is a deficient number, since it is larger than the sum of its proper divisors (14900945290322).

20211000111022 is a wasteful number, since it uses less digits than its factorization.

20211000111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211000111022 its reverse (22011100011202), we get a palindrome (42222100122224).

The spelling of 20211000111022 in words is "twenty trillion, two hundred eleven billion, one hundred eleven thousand, twenty-two".