1030111221331 has 4 divisors (see below), whose sum is σ = 1030199134000. Its totient is φ = 1030023308664.

The previous prime is 1030111221329. The next prime is 1030111221353. The reversal of 1030111221331 is 1331221110301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030111221331 - 2¹ = 1030111221329 is a prime.

It is a super-2 number, since 2×1030111221331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030111221299 and 1030111221308.

It is not an unprimeable number, because it can be changed into a prime (1030111225331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43938756 + ... + 43962193.

It is an arithmetic number, because the mean of its divisors is an integer number (257549783500).

Almost surely, 2^{1030111221331} is an apocalyptic number.

1030111221331 is a deficient number, since it is larger than the sum of its proper divisors (87912669).

1030111221331 is an equidigital number, since it uses as much as digits as its factorization.

1030111221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87912668.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1030111221331 its reverse (1331221110301), we get a palindrome (2361332331632).

The spelling of 1030111221331 in words is "one trillion, thirty billion, one hundred eleven million, two hundred twenty-one thousand, three hundred thirty-one".