211212212212202 has 8 divisors (see below), whose sum is σ = 316818380275236. Its totient is φ = 105606085453792.

The previous prime is 211212212212153. The next prime is 211212212212219. The reversal of 211212212212202 is 202212212212112.

It can be written as a sum of positive squares in 2 ways, for example, as 211038639154561 + 173573057641 = 14527169^2 + 416621^2 .

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

It is a super-2 number, since 2×211212212212202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12960188 + ... + 24297960.

Almost surely, 2^{211212212212202} is an apocalyptic number.

211212212212202 is a deficient number, since it is larger than the sum of its proper divisors (105606168063034).

211212212212202 is a wasteful number, since it uses less digits than its factorization.

211212212212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20652312.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 211212212212202 its reverse (202212212212112), we get a palindrome (413424424424314).

The spelling of 211212212212202 in words is "two hundred eleven trillion, two hundred twelve billion, two hundred twelve million, two hundred twelve thousand, two hundred two".