23101101221 has 8 divisors (see below), whose sum is σ = 25346875104. Its totient is φ = 20879606320.

The previous prime is 23101101217. The next prime is 23101101229. The reversal of 23101101221 is 12210110132.

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

It is a cyclic number.

It is not a de Polignac number, because 23101101221 - 2² = 23101101217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23101101196 and 23101101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101101229) 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, 6067751 + ... + 6071556.

It is an arithmetic number, because the mean of its divisors is an integer number (3168359388).

Almost surely, 2^23101101221 is an apocalyptic number.

It is an amenable number.

23101101221 is a deficient number, since it is larger than the sum of its proper divisors (2245773883).

23101101221 is a wasteful number, since it uses less digits than its factorization.

23101101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12139491.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23101101221 its reverse (12210110132), we get a palindrome (35311211353).

The spelling of 23101101221 in words is "twenty-three billion, one hundred one million, one hundred one thousand, two hundred twenty-one".