101001121123 has 8 divisors (see below), whose sum is σ = 122219844192. Its totient is φ = 81479895936.

The previous prime is 101001121079. The next prime is 101001121129. The reversal of 101001121123 is 321121100101.

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 101001121123 - 2²¹ = 100999023971 is a prime.

It is a super-2 number, since 2×101001121123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101001121129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424374340 + ... + 424374577.

It is an arithmetic number, because the mean of its divisors is an integer number (15277480524).

Almost surely, 2^101001121123 is an apocalyptic number.

101001121123 is a deficient number, since it is larger than the sum of its proper divisors (21218723069).

101001121123 is an equidigital number, since it uses as much as digits as its factorization.

101001121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848748941.

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

Adding to 101001121123 its reverse (321121100101), we get a palindrome (422122221224).

The spelling of 101001121123 in words is "one hundred one billion, one million, one hundred twenty-one thousand, one hundred twenty-three".