20202202120111 has 4 divisors (see below), whose sum is σ = 22038765949224. Its totient is φ = 18365638291000.

The previous prime is 20202202120103. The next prime is 20202202120127. The reversal of 20202202120111 is 11102120220202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20202202120111 - 2³ = 20202202120103 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 (20202202120141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918281914540 + ... + 918281914561.

It is an arithmetic number, because the mean of its divisors is an integer number (5509691487306).

Almost surely, 2^{20202202120111} is an apocalyptic number.

20202202120111 is a deficient number, since it is larger than the sum of its proper divisors (1836563829113).

20202202120111 is a wasteful number, since it uses less digits than its factorization.

20202202120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836563829112.

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

Adding to 20202202120111 its reverse (11102120220202), we get a palindrome (31304322340313).

The spelling of 20202202120111 in words is "twenty trillion, two hundred two billion, two hundred two million, one hundred twenty thousand, one hundred eleven".