211212201111202 has 16 divisors (see below), whose sum is σ = 319346990346240. Its totient is φ = 104763381706368.

The previous prime is 211212201111161. The next prime is 211212201111211. The reversal of 211212201111202 is 202111102212112.

It is a happy number.

It is a super-4 number, since 4×211212201111202⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 211212201111202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41957802 + ... + 46721317.

It is an arithmetic number, because the mean of its divisors is an integer number (19959186896640).

Almost surely, 2^{211212201111202} is an apocalyptic number.

211212201111202 is a deficient number, since it is larger than the sum of its proper divisors (108134789235038).

211212201111202 is a wasteful number, since it uses less digits than its factorization.

211212201111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88688625.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211212201111202 its reverse (202111102212112), we get a palindrome (413323303323314).

The spelling of 211212201111202 in words is "two hundred eleven trillion, two hundred twelve billion, two hundred one million, one hundred eleven thousand, two hundred two".