101220111119 has 4 divisors (see below), whose sum is σ = 101221257096. Its totient is φ = 101218965144.

The previous prime is 101220111107. The next prime is 101220111173. The reversal of 101220111119 is 911111022101.

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 101220111119 - 2⁸ = 101220110863 is a prime.

It is a super-2 number, since 2×101220111119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101220111119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220111319) 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 3 ways as a sum of consecutive naturals, for example, 428324 + ... + 621209.

It is an arithmetic number, because the mean of its divisors is an integer number (25305314274).

Almost surely, 2^101220111119 is an apocalyptic number.

101220111119 is a deficient number, since it is larger than the sum of its proper divisors (1145977).

101220111119 is an equidigital number, since it uses as much as digits as its factorization.

101220111119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145976.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 101220111119 in words is "one hundred one billion, two hundred twenty million, one hundred eleven thousand, one hundred nineteen".