402213011 has 2 divisors, whose sum is σ = 402213012. Its totient is φ = 402213010.

The previous prime is 402212999. The next prime is 402213037. The reversal of 402213011 is 110312204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402213011 is a prime.

It is a super-2 number, since 2×402213011² = 323550612435372242, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (402213061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201106505 + 201106506.

It is an arithmetic number, because the mean of its divisors is an integer number (201106506).

Almost surely, 2^402213011 is an apocalyptic number.

402213011 is a deficient number, since it is larger than the sum of its proper divisors (1).

402213011 is an equidigital number, since it uses as much as digits as its factorization.

402213011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 402213011 is about 20055.2489638000. The cubic root of 402213011 is about 738.1626019069.

Adding to 402213011 its reverse (110312204), we get a palindrome (512525215).

The spelling of 402213011 in words is "four hundred two million, two hundred thirteen thousand, eleven".