13121112201 has 8 divisors (see below), whose sum is σ = 17511309504. Its totient is φ = 8739161520.

The previous prime is 13121112107. The next prime is 13121112211. The reversal of 13121112201 is 10221112131.

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

It is not a de Polignac number, because 13121112201 - 2⁷ = 13121112073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13121112211) 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, 2057941 + ... + 2064306.

It is an arithmetic number, because the mean of its divisors is an integer number (2188913688).

Almost surely, 2^13121112201 is an apocalyptic number.

It is an amenable number.

13121112201 is a deficient number, since it is larger than the sum of its proper divisors (4390197303).

13121112201 is a wasteful number, since it uses less digits than its factorization.

13121112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123311.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13121112201 its reverse (10221112131), we get a palindrome (23342224332).

The spelling of 13121112201 in words is "thirteen billion, one hundred twenty-one million, one hundred twelve thousand, two hundred one".