101220030323220 has 24 divisors (see below), whose sum is σ = 283416084905184. Its totient is φ = 26992008086176.

The previous prime is 101220030323183. The next prime is 101220030323239. The reversal of 101220030323220 is 22323030022101.

It is a happy number.

It is a congruent number.

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, 843500252634 + ... + 843500252753.

It is an arithmetic number, because the mean of its divisors is an integer number (11809003537716).

Almost surely, 2^{101220030323220} is an apocalyptic number.

101220030323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220030323220 is an abundant number, since it is smaller than the sum of its proper divisors (182196054581964).

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

101220030323220 is a wasteful number, since it uses less digits than its factorization.

101220030323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687000505399 (or 1687000505397 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 101220030323220 its reverse (22323030022101), we get a palindrome (123543060345321).

The spelling of 101220030323220 in words is "one hundred one trillion, two hundred twenty billion, thirty million, three hundred twenty-three thousand, two hundred twenty".