1222101211101 has 16 divisors (see below), whose sum is σ = 1661966299584. Its totient is φ = 798517601024.

The previous prime is 1222101211081. The next prime is 1222101211109. The reversal of 1222101211101 is 1011121012221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1222101211101 - 2²³ = 1222092822493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101211109) 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, 3907596 + ... + 4208741.

It is an arithmetic number, because the mean of its divisors is an integer number (103872893724).

Almost surely, 2^{1222101211101} is an apocalyptic number.

It is an amenable number.

1222101211101 is a deficient number, since it is larger than the sum of its proper divisors (439865088483).

1222101211101 is an equidigital number, since it uses as much as digits as its factorization.

1222101211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1222101211101 its reverse (1011121012221), we get a palindrome (2233222223322).

The spelling of 1222101211101 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, one hundred one".