211222000012202 has 4 divisors (see below), whose sum is σ = 316833000018306. Its totient is φ = 105611000006100.

The previous prime is 211222000012151. The next prime is 211222000012217. The reversal of 211222000012202 is 202210000222112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 206822623806241 + 4399376205961 = 14381329^2 + 2097469^2 .

It is a super-2 number, since 2×211222000012202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52805500003049 + ... + 52805500003052.

Almost surely, 2^{211222000012202} is an apocalyptic number.

211222000012202 is a deficient number, since it is larger than the sum of its proper divisors (105611000006104).

211222000012202 is a wasteful number, since it uses less digits than its factorization.

211222000012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105611000006103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211222000012202 its reverse (202210000222112), we get a palindrome (413432000234314).

The spelling of 211222000012202 in words is "two hundred eleven trillion, two hundred twenty-two billion, twelve thousand, two hundred two".