20202202002111 has 16 divisors (see below), whose sum is σ = 27135573561600. Its totient is φ = 13368521971008.

The previous prime is 20202202002109. The next prime is 20202202002161. The reversal of 20202202002111 is 11120020220202.

It is not a de Polignac number, because 20202202002111 - 2¹ = 20202202002109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202202002161) 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, 2873206 + ... + 6975651.

It is an arithmetic number, because the mean of its divisors is an integer number (1695973347600).

Almost surely, 2^{20202202002111} is an apocalyptic number.

20202202002111 is a deficient number, since it is larger than the sum of its proper divisors (6933371559489).

20202202002111 is a wasteful number, since it uses less digits than its factorization.

20202202002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9853918.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20202202002111 its reverse (11120020220202), we get a palindrome (31322222222313).

The spelling of 20202202002111 in words is "twenty trillion, two hundred two billion, two hundred two million, two thousand, one hundred eleven".