101220111110 has 8 divisors (see below), whose sum is σ = 182196200016. Its totient is φ = 40488044440.

The previous prime is 101220111107. The next prime is 101220111173. The reversal of 101220111110 is 11111022101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101220111091 and 101220111100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5061005546 + ... + 5061005565.

It is an arithmetic number, because the mean of its divisors is an integer number (22774525002).

Almost surely, 2^101220111110 is an apocalyptic number.

101220111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220111110 is a deficient number, since it is larger than the sum of its proper divisors (80976088906).

101220111110 is a wasteful number, since it uses less digits than its factorization.

101220111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122011118.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101220111110 its reverse (11111022101), we get a palindrome (112331133211).

The spelling of 101220111110 in words is "one hundred one billion, two hundred twenty million, one hundred eleven thousand, one hundred ten".