1233421013101 has 4 divisors (see below), whose sum is σ = 1262105222752. Its totient is φ = 1204736803452.

The previous prime is 1233421013089. The next prime is 1233421013171. The reversal of 1233421013101 is 1013101243321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1233421013101 - 2²⁵ = 1233387458669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233421013171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14342104761 + ... + 14342104846.

It is an arithmetic number, because the mean of its divisors is an integer number (315526305688).

Almost surely, 2^{1233421013101} is an apocalyptic number.

It is an amenable number.

1233421013101 is a deficient number, since it is larger than the sum of its proper divisors (28684209651).

1233421013101 is an equidigital number, since it uses as much as digits as its factorization.

1233421013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28684209650.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1233421013101 its reverse (1013101243321), we get a palindrome (2246522256422).

The spelling of 1233421013101 in words is "one trillion, two hundred thirty-three billion, four hundred twenty-one million, thirteen thousand, one hundred one".