21310201121 has 8 divisors (see below), whose sum is σ = 23424955488. Its totient is φ = 19225024000.

The previous prime is 21310201079. The next prime is 21310201141. The reversal of 21310201121 is 12110201312.

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 21310201121 - 2⁶ = 21310201057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21310201096 and 21310201105.

It is not an unprimeable number, because it can be changed into a prime (21310201141) 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, 7392800 + ... + 7395681.

It is an arithmetic number, because the mean of its divisors is an integer number (2928119436).

Almost surely, 2^21310201121 is an apocalyptic number.

It is an amenable number.

21310201121 is a deficient number, since it is larger than the sum of its proper divisors (2114754367).

21310201121 is a wasteful number, since it uses less digits than its factorization.

21310201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14788623.

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

Adding to 21310201121 its reverse (12110201312), we get a palindrome (33420402433).

The spelling of 21310201121 in words is "twenty-one billion, three hundred ten million, two hundred one thousand, one hundred twenty-one".