1223013232101 has 32 divisors (see below), whose sum is σ = 1749047731200. Its totient is φ = 757919859840.

The previous prime is 1223013232061. The next prime is 1223013232153. The reversal of 1223013232101 is 1012323103221.

It is not a de Polignac number, because 1223013232101 - 2⁶ = 1223013232037 is a prime.

It is a super-2 number, since 2×1223013232101² (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 (1223013232601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255601 + ... + 1584726.

It is an arithmetic number, because the mean of its divisors is an integer number (54657741600).

Almost surely, 2^{1223013232101} is an apocalyptic number.

It is an amenable number.

1223013232101 is a deficient number, since it is larger than the sum of its proper divisors (526034499099).

1223013232101 is a wasteful number, since it uses less digits than its factorization.

1223013232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840569.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1223013232101 its reverse (1012323103221), we get a palindrome (2235336335322).

The spelling of 1223013232101 in words is "one trillion, two hundred twenty-three billion, thirteen million, two hundred thirty-two thousand, one hundred one".