101201020123 has 8 divisors (see below), whose sum is σ = 115915903200. Its totient is φ = 86550535680.

The previous prime is 101201020061. The next prime is 101201020133. The reversal of 101201020123 is 321020102101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101201020123 - 2⁹ = 101201019611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101201020133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16096288 + ... + 16102573.

It is an arithmetic number, because the mean of its divisors is an integer number (14489487900).

Almost surely, 2^101201020123 is an apocalyptic number.

101201020123 is a deficient number, since it is larger than the sum of its proper divisors (14714883077).

101201020123 is an equidigital number, since it uses as much as digits as its factorization.

101201020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32199317.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101201020123 its reverse (321020102101), we get a palindrome (422221122224).

The spelling of 101201020123 in words is "one hundred one billion, two hundred one million, twenty thousand, one hundred twenty-three".