1020353101133 has 4 divisors (see below), whose sum is σ = 1020797314620. Its totient is φ = 1019908887648.

The previous prime is 1020353101129. The next prime is 1020353101139. The reversal of 1020353101133 is 3311013530201.

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 400311820804 + 620041280329 = 632702^2 + 787427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020353101133 - 2² = 1020353101129 is a prime.

It is a super-2 number, since 2×1020353101133² (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 = 1020353101099 and 1020353101108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020353101139) 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, 222103298 + ... + 222107891.

It is an arithmetic number, because the mean of its divisors is an integer number (255199328655).

Almost surely, 2^{1020353101133} is an apocalyptic number.

It is an amenable number.

1020353101133 is a deficient number, since it is larger than the sum of its proper divisors (444213487).

1020353101133 is an equidigital number, since it uses as much as digits as its factorization.

1020353101133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444213486.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 1020353101133 its reverse (3311013530201), we get a palindrome (4331366631334).

The spelling of 1020353101133 in words is "one trillion, twenty billion, three hundred fifty-three million, one hundred one thousand, one hundred thirty-three".