21110102201 has 8 divisors (see below), whose sum is σ = 21233028960. Its totient is φ = 20987452192.

The previous prime is 21110102197. The next prime is 21110102227. The reversal of 21110102201 is 10220101112.

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 21110102201 - 2² = 21110102197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21110104201) 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, 84806 + ... + 222288.

It is an arithmetic number, because the mean of its divisors is an integer number (2654128620).

Almost surely, 2^21110102201 is an apocalyptic number.

It is an amenable number.

21110102201 is a deficient number, since it is larger than the sum of its proper divisors (122926759).

21110102201 is a wasteful number, since it uses less digits than its factorization.

21110102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138375.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 21110102201 its reverse (10220101112), we get a palindrome (31330203313).

The spelling of 21110102201 in words is "twenty-one billion, one hundred ten million, one hundred two thousand, two hundred one".