21223100033131 has 8 divisors (see below), whose sum is σ = 21909422649728. Its totient is φ = 20536884072000.

The previous prime is 21223100033129. The next prime is 21223100033159. The reversal of 21223100033131 is 13133000132212.

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 21223100033131 - 2¹ = 21223100033129 is a prime.

It is a super-2 number, since 2×21223100033131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21223100033101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26259360 + ... + 27055501.

It is an arithmetic number, because the mean of its divisors is an integer number (2738677831216).

Almost surely, 2^{21223100033131} is an apocalyptic number.

21223100033131 is a deficient number, since it is larger than the sum of its proper divisors (686322616597).

21223100033131 is a wasteful number, since it uses less digits than its factorization.

21223100033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53327733.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21223100033131 its reverse (13133000132212), we get a palindrome (34356100165343).

The spelling of 21223100033131 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred million, thirty-three thousand, one hundred thirty-one".