1223001031101 has 16 divisors (see below), whose sum is σ = 1633226550144. Its totient is φ = 814055580864.

The previous prime is 1223001031093. The next prime is 1223001031117. The reversal of 1223001031101 is 1011301003221.

It is a happy number.

It is not a de Polignac number, because 1223001031101 - 2³ = 1223001031093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223001031001) 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, 6001455 + ... + 6201891.

It is an arithmetic number, because the mean of its divisors is an integer number (102076659384).

Almost surely, 2^{1223001031101} is an apocalyptic number.

It is an amenable number.

1223001031101 is a deficient number, since it is larger than the sum of its proper divisors (410225519043).

1223001031101 is a wasteful number, since it uses less digits than its factorization.

1223001031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203620.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1223001031101 its reverse (1011301003221), we get a palindrome (2234302034322).

The spelling of 1223001031101 in words is "one trillion, two hundred twenty-three billion, one million, thirty-one thousand, one hundred one".