1130012011021 has 4 divisors (see below), whose sum is σ = 1130167817532. Its totient is φ = 1129856204512.

The previous prime is 1130012011019. The next prime is 1130012011027. The reversal of 1130012011021 is 1201102100311.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 820192866025 + 309819144996 = 905645^2 + 556614^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130012011021 - 2¹ = 1130012011019 is a prime.

It is a super-3 number, since 3×1130012011021³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130012010992 and 1130012011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130012011027) 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, 77892376 + ... + 77906881.

It is an arithmetic number, because the mean of its divisors is an integer number (282541954383).

Almost surely, 2^{1130012011021} is an apocalyptic number.

It is an amenable number.

1130012011021 is a deficient number, since it is larger than the sum of its proper divisors (155806511).

1130012011021 is an equidigital number, since it uses as much as digits as its factorization.

1130012011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155806510.

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

Adding to 1130012011021 its reverse (1201102100311), we get a palindrome (2331114111332).

The spelling of 1130012011021 in words is "one trillion, one hundred thirty billion, twelve million, eleven thousand, twenty-one".