202111214431 has 8 divisors (see below), whose sum is σ = 232367385600. Its totient is φ = 172200828408.

The previous prime is 202111214423. The next prime is 202111214477. The reversal of 202111214431 is 134412111202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202111214431 - 2³ = 202111214423 is a prime.

It is a super-2 number, since 2×202111214431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111214491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86445031 + ... + 86447368.

It is an arithmetic number, because the mean of its divisors is an integer number (29045923200).

Almost surely, 2^202111214431 is an apocalyptic number.

202111214431 is a deficient number, since it is larger than the sum of its proper divisors (30256171169).

202111214431 is a wasteful number, since it uses less digits than its factorization.

202111214431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172892573.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 202111214431 its reverse (134412111202), we get a palindrome (336523325633).

The spelling of 202111214431 in words is "two hundred two billion, one hundred eleven million, two hundred fourteen thousand, four hundred thirty-one".