214211266402 has 12 divisors (see below), whose sum is σ = 373776801750. Its totient is φ = 91804828416.

The previous prime is 214211266391. The next prime is 214211266403. The reversal of 214211266402 is 204662112412.

It can be written as a sum of positive squares in only one way, i.e., 134065090201 + 80146176201 = 366149^2 + 283101^2 .

It is a super-2 number, since 2×214211266402² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214211266403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1092914527 + ... + 1092914722.

Almost surely, 2^214211266402 is an apocalyptic number.

214211266402 is a deficient number, since it is larger than the sum of its proper divisors (159565535348).

214211266402 is a wasteful number, since it uses less digits than its factorization.

214211266402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185829265 (or 2185829258 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 214211266402 its reverse (204662112412), we get a palindrome (418873378814).

The spelling of 214211266402 in words is "two hundred fourteen billion, two hundred eleven million, two hundred sixty-six thousand, four hundred two".