103011133021 has 4 divisors (see below), whose sum is σ = 109070611452. Its totient is φ = 96951654592.

The previous prime is 103011133007. The next prime is 103011133033. The reversal of 103011133021 is 120331110301.

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 96354368100 + 6656764921 = 310410^2 + 81589^2 .

It is a cyclic number.

It is not a de Polignac number, because 103011133021 - 2⁵ = 103011132989 is a prime.

It is a super-2 number, since 2×103011133021² (a number of 23 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 = 103011132986 and 103011133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103011136021) 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, 3029739190 + ... + 3029739223.

It is an arithmetic number, because the mean of its divisors is an integer number (27267652863).

Almost surely, 2^103011133021 is an apocalyptic number.

It is an amenable number.

103011133021 is a deficient number, since it is larger than the sum of its proper divisors (6059478431).

103011133021 is an equidigital number, since it uses as much as digits as its factorization.

103011133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059478430.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 103011133021 its reverse (120331110301), we get a palindrome (223342243322).

The spelling of 103011133021 in words is "one hundred three billion, eleven million, one hundred thirty-three thousand, twenty-one".