101112220220220 has 72 divisors (see below), whose sum is σ = 334589528735280. Its totient is φ = 24512053386240.

The previous prime is 101112220220201. The next prime is 101112220220239. The reversal of 101112220220220 is 22022022211101.

It is a happy number.

101112220220220 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 1 + 2 + 220 + 220 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (101112220220201) and next prime (101112220220239).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101112220220193 and 101112220220202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25533386965 + ... + 25533390924.

It is an arithmetic number, because the mean of its divisors is an integer number (4647076787990).

Almost surely, 2^{101112220220220} is an apocalyptic number.

101112220220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112220220220 is an abundant number, since it is smaller than the sum of its proper divisors (233477308515060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101112220220220 is a wasteful number, since it uses less digits than its factorization.

101112220220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51066777915 (or 51066777910 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101112220220220 its reverse (22022022211101), we get a palindrome (123134242431321).

The spelling of 101112220220220 in words is "one hundred one trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty thousand, two hundred twenty".