1223211103101 has 24 divisors (see below), whose sum is σ = 1902951444576. Its totient is φ = 752674632480.

The previous prime is 1223211103067. The next prime is 1223211103123. The reversal of 1223211103101 is 1013011123221.

1223211103101 is a `hidden beast` number, since 1 + 22 + 321 + 1 + 10 + 310 + 1 = 666.

It is not a de Polignac number, because 1223211103101 - 2¹⁴ = 1223211086717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223211103001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 774886 + ... + 1745528.

It is an arithmetic number, because the mean of its divisors is an integer number (79289643524).

Almost surely, 2^{1223211103101} is an apocalyptic number.

It is an amenable number.

1223211103101 is a deficient number, since it is larger than the sum of its proper divisors (679740341475).

1223211103101 is a wasteful number, since it uses less digits than its factorization.

1223211103101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981433 (or 981430 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1223211103101 its reverse (1013011123221), we get a palindrome (2236222226322).

The spelling of 1223211103101 in words is "one trillion, two hundred twenty-three billion, two hundred eleven million, one hundred three thousand, one hundred one".