20202022120111 has 16 divisors (see below), whose sum is σ = 21936544170688. Its totient is φ = 18493699680000.

The previous prime is 20202022120081. The next prime is 20202022120141. The reversal of 20202022120111 is 11102122020202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20202022120081) and next prime (20202022120141).

It is a cyclic number.

It is not a de Polignac number, because 20202022120111 - 2¹³ = 20202022111919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202022120141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7382136 + ... + 9741661.

It is an arithmetic number, because the mean of its divisors is an integer number (1371034010668).

Almost surely, 2^{20202022120111} is an apocalyptic number.

20202022120111 is a deficient number, since it is larger than the sum of its proper divisors (1734522050577).

20202022120111 is a wasteful number, since it uses less digits than its factorization.

20202022120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17124562.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20202022120111 its reverse (11102122020202), we get a palindrome (31304144140313).

Subtracting from 20202022120111 its reverse (11102122020202), we obtain a palindrome (9099900099909).

The spelling of 20202022120111 in words is "twenty trillion, two hundred two billion, twenty-two million, one hundred twenty thousand, one hundred eleven".