101220320033 has 12 divisors (see below), whose sum is σ = 120484370160. Its totient is φ = 84742591752.

The previous prime is 101220320029. The next prime is 101220320039. The reversal of 101220320033 is 330023022101.

It is not a de Polignac number, because 101220320033 - 2² = 101220320029 is a prime.

It is a super-2 number, since 2×101220320033² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101220319993 and 101220320020.

It is not an unprimeable number, because it can be changed into a prime (101220320039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24017903 + ... + 24022116.

It is an arithmetic number, because the mean of its divisors is an integer number (10040364180).

Almost surely, 2^101220320033 is an apocalyptic number.

It is an amenable number.

101220320033 is a deficient number, since it is larger than the sum of its proper divisors (19264050127).

101220320033 is an equidigital number, since it uses as much as digits as its factorization.

101220320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48040076 (or 48040069 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 101220320033 its reverse (330023022101), we get a palindrome (431243342134).

The spelling of 101220320033 in words is "one hundred one billion, two hundred twenty million, three hundred twenty thousand, thirty-three".