101220120022220 has 48 divisors (see below), whose sum is σ = 215130892032000. Its totient is φ = 39998817940416.

The previous prime is 101220120022103. The next prime is 101220120022223. The reversal of 101220120022220 is 22220021022101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101220120022223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46238549 + ... + 48378131.

It is an arithmetic number, because the mean of its divisors is an integer number (4481893584000).

Almost surely, 2^{101220120022220} is an apocalyptic number.

101220120022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220120022220 is an abundant number, since it is smaller than the sum of its proper divisors (113910772009780).

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

101220120022220 is a wasteful number, since it uses less digits than its factorization.

101220120022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168174 (or 2168172 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101220120022220 its reverse (22220021022101), we get a palindrome (123440141044321).

The spelling of 101220120022220 in words is "one hundred one trillion, two hundred twenty billion, one hundred twenty million, twenty-two thousand, two hundred twenty".