10123331012021 has 8 divisors (see below), whose sum is σ = 10222343673984. Its totient is φ = 10024332348240.

The previous prime is 10123331012009. The next prime is 10123331012111. The reversal of 10123331012021 is 12021013332101.

It is a happy number.

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 10123331012021 - 2¹⁸ = 10123330749877 is a prime.

It is a super-2 number, since 2×10123331012021² (a number of 27 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 = 10123331011984 and 10123331012002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123331014021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2043146 + ... + 4941771.

It is an arithmetic number, because the mean of its divisors is an integer number (1277792959248).

Almost surely, 2^{10123331012021} is an apocalyptic number.

It is an amenable number.

10123331012021 is a deficient number, since it is larger than the sum of its proper divisors (99012661963).

10123331012021 is a wasteful number, since it uses less digits than its factorization.

10123331012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999091.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10123331012021 its reverse (12021013332101), we get a palindrome (22144344344122).

The spelling of 10123331012021 in words is "ten trillion, one hundred twenty-three billion, three hundred thirty-one million, twelve thousand, twenty-one".