10321201111 has 8 divisors (see below), whose sum is σ = 11115950384. Its totient is φ = 9526567680.

The previous prime is 10321201103. The next prime is 10321201117. The reversal of 10321201111 is 11110212301.

It is a happy number.

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 10321201111 - 2³ = 10321201103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10321201091 and 10321201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321201117) 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, 271975 + ... + 307591.

It is an arithmetic number, because the mean of its divisors is an integer number (1389493798).

Almost surely, 2^10321201111 is an apocalyptic number.

10321201111 is a deficient number, since it is larger than the sum of its proper divisors (794749273).

10321201111 is a wasteful number, since it uses less digits than its factorization.

10321201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57921.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10321201111 its reverse (11110212301), we get a palindrome (21431413412).

The spelling of 10321201111 in words is "ten billion, three hundred twenty-one million, two hundred one thousand, one hundred eleven".