101201011223 has 4 divisors (see below), whose sum is σ = 108985704408. Its totient is φ = 93416318040.

The previous prime is 101201011211. The next prime is 101201011253. The reversal of 101201011223 is 322110102101.

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 101201011223 - 2¹⁰ = 101201010199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201011198 and 101201011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201011253) 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, 3892346573 + ... + 3892346598.

It is an arithmetic number, because the mean of its divisors is an integer number (27246426102).

Almost surely, 2^101201011223 is an apocalyptic number.

101201011223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101201011223 is a deficient number, since it is larger than the sum of its proper divisors (7784693185).

101201011223 is an equidigital number, since it uses as much as digits as its factorization.

101201011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7784693184.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101201011223 its reverse (322110102101), we get a palindrome (423311113324).

The spelling of 101201011223 in words is "one hundred one billion, two hundred one million, eleven thousand, two hundred twenty-three".