202142221113 has 16 divisors (see below), whose sum is σ = 326145432960. Its totient is φ = 108715143936.

The previous prime is 202142221103. The next prime is 202142221117. The reversal of 202142221113 is 311122241202.

It is a happy number.

It is not a de Polignac number, because 202142221113 - 2⁴ = 202142221097 is a prime.

It is a super-2 number, since 2×202142221113² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 202142221113.

It is not an unprimeable number, because it can be changed into a prime (202142221117) 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, 283111998 + ... + 283112711.

It is an arithmetic number, because the mean of its divisors is an integer number (20384089560).

Almost surely, 2^202142221113 is an apocalyptic number.

It is an amenable number.

202142221113 is a deficient number, since it is larger than the sum of its proper divisors (124003211847).

202142221113 is a wasteful number, since it uses less digits than its factorization.

202142221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566224736.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 202142221113 its reverse (311122241202), we get a palindrome (513264462315).

The spelling of 202142221113 in words is "two hundred two billion, one hundred forty-two million, two hundred twenty-one thousand, one hundred thirteen".