1222101201211 has 16 divisors (see below), whose sum is σ = 1366433294688. Its totient is φ = 1083336140800.

The previous prime is 1222101201173. The next prime is 1222101201227. The reversal of 1222101201211 is 1121021012221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222101201211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222101271211) 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, 154515 + ... + 1571011.

It is an arithmetic number, because the mean of its divisors is an integer number (85402080918).

Almost surely, 2^{1222101201211} is an apocalyptic number.

1222101201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1222101201211 is a deficient number, since it is larger than the sum of its proper divisors (144332093477).

1222101201211 is a wasteful number, since it uses less digits than its factorization.

1222101201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418462.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222101201211 its reverse (1121021012221), we get a palindrome (2343122213432).

The spelling of 1222101201211 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred one thousand, two hundred eleven".