20212001111122 has 16 divisors (see below), whose sum is σ = 30602275891200. Its totient is φ = 10011248211888.

The previous prime is 20212001111119. The next prime is 20212001111129. The reversal of 20212001111122 is 22111110021202.

It is a junction number, because it is equal to n+sod(n) for n = 20212001111096 and 20212001111105.

It is not an unprimeable number, because it can be changed into a prime (20212001111129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5720623 + ... + 8552749.

It is an arithmetic number, because the mean of its divisors is an integer number (1912642243200).

Almost surely, 2^{20212001111122} is an apocalyptic number.

20212001111122 is a deficient number, since it is larger than the sum of its proper divisors (10390274780078).

20212001111122 is a wasteful number, since it uses less digits than its factorization.

20212001111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865585.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20212001111122 its reverse (22111110021202), we get a palindrome (42323111132324).

The spelling of 20212001111122 in words is "twenty trillion, two hundred twelve billion, one million, one hundred eleven thousand, one hundred twenty-two".