211222022202 has 12 divisors (see below), whose sum is σ = 457647714810. Its totient is φ = 70407340728.

The previous prime is 211222022197. The next prime is 211222022227. The reversal of 211222022202 is 202220222112.

It can be written as a sum of positive squares in only one way, i.e., 117039936321 + 94182085881 = 342111^2 + 306891^2 .

It is a super-2 number, since 2×211222022202² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11734556789 = 211222022202 / (2 + 1 + 1 + 2 + 2 + 2 + 0 + 2 + 2 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5867278377 + ... + 5867278412.

Almost surely, 2^211222022202 is an apocalyptic number.

211222022202 is an abundant number, since it is smaller than the sum of its proper divisors (246425692608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211222022202 is a wasteful number, since it uses less digits than its factorization.

211222022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11734556797 (or 11734556794 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 211222022202 its reverse (202220222112), we get a palindrome (413442244314).

The spelling of 211222022202 in words is "two hundred eleven billion, two hundred twenty-two million, twenty-two thousand, two hundred two".