10101023442251 has 8 divisors (see below), whose sum is σ = 11761838617824. Its totient is φ = 8494661223360.

The previous prime is 10101023442247. The next prime is 10101023442313. The reversal of 10101023442251 is 15224432010101.

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 10101023442251 - 2² = 10101023442247 is a prime.

It is a super-2 number, since 2×10101023442251² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10101023442251.

It is not an unprimeable number, because it can be changed into a prime (10101023442151) 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, 13613238770 + ... + 13613239511.

It is an arithmetic number, because the mean of its divisors is an integer number (1470229827228).

Almost surely, 2^{10101023442251} is an apocalyptic number.

10101023442251 is a deficient number, since it is larger than the sum of its proper divisors (1660815175573).

10101023442251 is an equidigital number, since it uses as much as digits as its factorization.

10101023442251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27226478341.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 10101023442251 its reverse (15224432010101), we get a palindrome (25325455452352).

The spelling of 10101023442251 in words is "ten trillion, one hundred one billion, twenty-three million, four hundred forty-two thousand, two hundred fifty-one".