10010121101023 has 4 divisors (see below), whose sum is σ = 10029334385808. Its totient is φ = 9990907816240.

The previous prime is 10010121100979. The next prime is 10010121101047. The reversal of 10010121101023 is 32010112101001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10010121101023 - 2²⁹ = 10009584230111 is a prime.

It is a super-3 number, since 3×10010121101023³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10010121100994 and 10010121101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010121101053) 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, 9606641611 + ... + 9606642652.

It is an arithmetic number, because the mean of its divisors is an integer number (2507333596452).

Almost surely, 2^{10010121101023} is an apocalyptic number.

10010121101023 is a deficient number, since it is larger than the sum of its proper divisors (19213284785).

10010121101023 is an equidigital number, since it uses as much as digits as its factorization.

10010121101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19213284784.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10010121101023 its reverse (32010112101001), we get a palindrome (42020233202024).

The spelling of 10010121101023 in words is "ten trillion, ten billion, one hundred twenty-one million, one hundred one thousand, twenty-three".