1011421321133 has 8 divisors (see below), whose sum is σ = 1012900169400. Its totient is φ = 1009943532288.

The previous prime is 1011421321103. The next prime is 1011421321153. The reversal of 1011421321133 is 3311231241101.

It can be written as a sum of positive squares in 4 ways, for example, as 722163439204 + 289257881929 = 849802^2 + 537827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011421321133 - 2¹² = 1011421317037 is a prime.

It is a super-2 number, since 2×1011421321133² (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 = 1011421321099 and 1011421321108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011421321103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656083 + ... + 2182991.

It is an arithmetic number, because the mean of its divisors is an integer number (126612521175).

Almost surely, 2^{1011421321133} is an apocalyptic number.

It is an amenable number.

1011421321133 is a deficient number, since it is larger than the sum of its proper divisors (1478848267).

1011421321133 is a wasteful number, since it uses less digits than its factorization.

1011421321133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529711.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1011421321133 its reverse (3311231241101), we get a palindrome (4322652562234).

The spelling of 1011421321133 in words is "one trillion, eleven billion, four hundred twenty-one million, three hundred twenty-one thousand, one hundred thirty-three".