20122111212022 has 16 divisors (see below), whose sum is σ = 30188009502144. Its totient is φ = 10059441525000.

The previous prime is 20122111212011. The next prime is 20122111212023. The reversal of 20122111212022 is 22021211122102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122111212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529356997 + ... + 529395007.

It is an arithmetic number, because the mean of its divisors is an integer number (1886750593884).

Almost surely, 2^{20122111212022} is an apocalyptic number.

20122111212022 is a deficient number, since it is larger than the sum of its proper divisors (10065898290122).

20122111212022 is a wasteful number, since it uses less digits than its factorization.

20122111212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73515.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20122111212022 its reverse (22021211122102), we get a palindrome (42143322334124).

The spelling of 20122111212022 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twelve thousand, twenty-two".