1021130001011 has 4 divisors (see below), whose sum is σ = 1023824275800. Its totient is φ = 1018435726224.

The previous prime is 1021130001007. The next prime is 1021130001013. The reversal of 1021130001011 is 1101000311201.

It is a happy number.

1021130001011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1021130001011 - 2² = 1021130001007 is a prime.

It is a super-2 number, since 2×1021130001011² (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 = 1021130000983 and 1021130001001.

It is not an unprimeable number, because it can be changed into a prime (1021130001013) 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, 1347136826 + ... + 1347137583.

It is an arithmetic number, because the mean of its divisors is an integer number (255956068950).

Almost surely, 2^{1021130001011} is an apocalyptic number.

1021130001011 is a deficient number, since it is larger than the sum of its proper divisors (2694274789).

1021130001011 is an equidigital number, since it uses as much as digits as its factorization.

1021130001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694274788.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1021130001011 its reverse (1101000311201), we get a palindrome (2122130312212).

The spelling of 1021130001011 in words is "one trillion, twenty-one billion, one hundred thirty million, one thousand, eleven".