13121222201131 has 8 divisors (see below), whose sum is σ = 14314122446400. Its totient is φ = 11928332266440.

The previous prime is 13121222201081. The next prime is 13121222201137. The reversal of 13121222201131 is 13110222212131.

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 13121222201131 - 2²⁷ = 13121087983403 is a prime.

It is a super-2 number, since 2×13121222201131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121222201137) 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, 214780 + ... + 5127238.

It is an arithmetic number, because the mean of its divisors is an integer number (1789265305800).

Almost surely, 2^{13121222201131} is an apocalyptic number.

13121222201131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13121222201131 is a deficient number, since it is larger than the sum of its proper divisors (1192900245269).

13121222201131 is a wasteful number, since it uses less digits than its factorization.

13121222201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155289.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13121222201131 its reverse (13110222212131), we get a palindrome (26231444413262).

The spelling of 13121222201131 in words is "thirteen trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred one thousand, one hundred thirty-one".