1222011121101 has 8 divisors (see below), whose sum is σ = 1629624205440. Its totient is φ = 814536058752.

The previous prime is 1222011121021. The next prime is 1222011121129. The reversal of 1222011121101 is 1011211102221.

It is a happy number.

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

It is not a de Polignac number, because 1222011121101 - 2¹⁹ = 1222010596813 is a prime.

It is a super-2 number, since 2×1222011121101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222011121141) 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, 34484836 + ... + 34520253.

It is an arithmetic number, because the mean of its divisors is an integer number (203703025680).

Almost surely, 2^{1222011121101} is an apocalyptic number.

It is an amenable number.

1222011121101 is a deficient number, since it is larger than the sum of its proper divisors (407613084339).

1222011121101 is an equidigital number, since it uses as much as digits as its factorization.

1222011121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69010995.

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

Adding to 1222011121101 its reverse (1011211102221), we get a palindrome (2233222223322).

The spelling of 1222011121101 in words is "one trillion, two hundred twenty-two billion, eleven million, one hundred twenty-one thousand, one hundred one".