1111021302131 has 8 divisors (see below), whose sum is σ = 1266865919424. Its totient is φ = 965231176320.

The previous prime is 1111021302119. The next prime is 1111021302169. The reversal of 1111021302131 is 1312031201111.

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 1111021302131 - 2³⁴ = 1093841432947 is a prime.

It is a super-2 number, since 2×1111021302131² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1111021302101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2513622635 + ... + 2513623076.

It is an arithmetic number, because the mean of its divisors is an integer number (158358239928).

Almost surely, 2^{1111021302131} is an apocalyptic number.

1111021302131 is a deficient number, since it is larger than the sum of its proper divisors (155844617293).

1111021302131 is a wasteful number, since it uses less digits than its factorization.

1111021302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027245741.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1111021302131 its reverse (1312031201111), we get a palindrome (2423052503242).

The spelling of 1111021302131 in words is "one trillion, one hundred eleven billion, twenty-one million, three hundred two thousand, one hundred thirty-one".