402231232211 has 2 divisors, whose sum is σ = 402231232212. Its totient is φ = 402231232210.

The previous prime is 402231232199. The next prime is 402231232243. The reversal of 402231232211 is 112232132204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402231232211 - 2¹⁸ = 402230970067 is a prime.

It is not a weakly prime, because it can be changed into another prime (402231237211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201115616105 + 201115616106.

It is an arithmetic number, because the mean of its divisors is an integer number (201115616106).

Almost surely, 2^402231232211 is an apocalyptic number.

402231232211 is a deficient number, since it is larger than the sum of its proper divisors (1).

402231232211 is an equidigital number, since it uses as much as digits as its factorization.

402231232211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 402231232211 its reverse (112232132204), we get a palindrome (514463364415).

The spelling of 402231232211 in words is "four hundred two billion, two hundred thirty-one million, two hundred thirty-two thousand, two hundred eleven".