1222001101211 has 8 divisors (see below), whose sum is σ = 1343268387648. Its totient is φ = 1102429861000.

The previous prime is 1222001101207. The next prime is 1222001101219. The reversal of 1222001101211 is 1121011002221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222001101211 - 2² = 1222001101207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222001101219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424010045 + ... + 424012926.

It is an arithmetic number, because the mean of its divisors is an integer number (167908548456).

Almost surely, 2^{1222001101211} is an apocalyptic number.

1222001101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1222001101211 is a deficient number, since it is larger than the sum of its proper divisors (121267286437).

1222001101211 is a wasteful number, since it uses less digits than its factorization.

1222001101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848023113.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1222001101211 its reverse (1121011002221), we get a palindrome (2343012103432).

The spelling of 1222001101211 in words is "one trillion, two hundred twenty-two billion, one million, one hundred one thousand, two hundred eleven".