101120220231 has 4 divisors (see below), whose sum is σ = 134826960312. Its totient is φ = 67413480152.

The previous prime is 101120220203. The next prime is 101120220277. The reversal of 101120220231 is 132022021101.

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 101120220231 - 2⁶ = 101120220167 is a prime.

It is a super-2 number, since 2×101120220231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101120220231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120220931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16853370036 + ... + 16853370041.

It is an arithmetic number, because the mean of its divisors is an integer number (33706740078).

Almost surely, 2^101120220231 is an apocalyptic number.

101120220231 is a deficient number, since it is larger than the sum of its proper divisors (33706740081).

101120220231 is an equidigital number, since it uses as much as digits as its factorization.

101120220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33706740080.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101120220231 its reverse (132022021101), we get a palindrome (233142241332).

The spelling of 101120220231 in words is "one hundred one billion, one hundred twenty million, two hundred twenty thousand, two hundred thirty-one".