101112222220 has 24 divisors (see below), whose sum is σ = 212395277808. Its totient is φ = 40433534400.

The previous prime is 101112222203. The next prime is 101112222227. The reversal of 101112222220 is 22222211101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101112222194 and 101112222203.

It is not an unprimeable number, because it can be changed into a prime (101112222227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636451 + ... + 779290.

It is an arithmetic number, because the mean of its divisors is an integer number (8849803242).

Almost surely, 2^101112222220 is an apocalyptic number.

101112222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112222220 is an abundant number, since it is smaller than the sum of its proper divisors (111283055588).

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

101112222220 is a wasteful number, since it uses less digits than its factorization.

101112222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419321 (or 1419319 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101112222220 its reverse (22222211101), we get a palindrome (123334433321).

The spelling of 101112222220 in words is "one hundred one billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty".