101000122220 has 24 divisors (see below), whose sum is σ = 224576743104. Its totient is φ = 38023575296.

The previous prime is 101000122207. The next prime is 101000122313. The reversal of 101000122220 is 22221000101.

It is a happy number.

101000122220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148529252 + ... + 148529931.

It is an arithmetic number, because the mean of its divisors is an integer number (9357364296).

Almost surely, 2^101000122220 is an apocalyptic number.

101000122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101000122220 is an abundant number, since it is smaller than the sum of its proper divisors (123576620884).

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

101000122220 is a wasteful number, since it uses less digits than its factorization.

101000122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297059209 (or 297059207 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101000122220 its reverse (22221000101), we get a palindrome (123221122321).

The spelling of 101000122220 in words is "one hundred one billion, one hundred twenty-two thousand, two hundred twenty".