202020222012111 has 32 divisors (see below), whose sum is σ = 299789110368000. Its totient is φ = 134455354903584.

The previous prime is 202020222012079. The next prime is 202020222012127. The reversal of 202020222012111 is 111210222020202.

It is a happy number.

It is not a de Polignac number, because 202020222012111 - 2⁵ = 202020222012079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020222012911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43698241 + ... + 48099653.

It is an arithmetic number, because the mean of its divisors is an integer number (9368409699000).

Almost surely, 2^{202020222012111} is an apocalyptic number.

202020222012111 is a deficient number, since it is larger than the sum of its proper divisors (97768888355889).

202020222012111 is a wasteful number, since it uses less digits than its factorization.

202020222012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404260 (or 4404254 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202020222012111 its reverse (111210222020202), we get a palindrome (313230444032313).

The spelling of 202020222012111 in words is "two hundred two trillion, twenty billion, two hundred twenty-two million, twelve thousand, one hundred eleven".