211222211212010 has 8 divisors (see below), whose sum is σ = 380199980181636. Its totient is φ = 84488884484800.

The previous prime is 211222211212003. The next prime is 211222211212021. The reversal of 211222211212010 is 10212112222112.

It can be written as a sum of positive squares in 2 ways, for example, as 197509491193249 + 13712720018761 = 14053807^2 + 3703069^2 .

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

It is a super-2 number, since 2×211222211212010² (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, 10561110560591 + ... + 10561110560610.

Almost surely, 2^{211222211212010} is an apocalyptic number.

211222211212010 is a deficient number, since it is larger than the sum of its proper divisors (168977768969626).

211222211212010 is a wasteful number, since it uses less digits than its factorization.

211222211212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21122221121208.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211222211212010 its reverse (10212112222112), we get a palindrome (221434323434122).

The spelling of 211222211212010 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred eleven million, two hundred twelve thousand, ten".