1222212002211 has 16 divisors (see below), whose sum is σ = 1822217476000. Its totient is φ = 809618138784.

The previous prime is 1222212002183. The next prime is 1222212002227. The reversal of 1222212002211 is 1122002122221.

It is a happy number.

1222212002211 is a `hidden beast` number, since 1 + 22 + 221 + 200 + 221 + 1 = 666.

It is not a de Polignac number, because 1222212002211 - 2⁷ = 1222212002083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222212002111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144158536 + ... + 144167013.

It is an arithmetic number, because the mean of its divisors is an integer number (113888592250).

Almost surely, 2^{1222212002211} is an apocalyptic number.

1222212002211 is a deficient number, since it is larger than the sum of its proper divisors (600005473789).

1222212002211 is a wasteful number, since it uses less digits than its factorization.

1222212002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288325715 (or 288325709 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1222212002211 its reverse (1122002122221), we get a palindrome (2344214124432).

The spelling of 1222212002211 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, two thousand, two hundred eleven".