101220321023020 has 96 divisors (see below), whose sum is σ = 221996474485632. Its totient is φ = 38694271469568.

The previous prime is 101220321023011. The next prime is 101220321023023. The reversal of 101220321023020 is 20320123022101.

It is not an unprimeable number, because it can be changed into a prime (101220321023023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4569136264 + ... + 4569158416.

It is an arithmetic number, because the mean of its divisors is an integer number (2312463275892).

Almost surely, 2^{101220321023020} is an apocalyptic number.

101220321023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220321023020 is an abundant number, since it is smaller than the sum of its proper divisors (120776153462612).

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

101220321023020 is a wasteful number, since it uses less digits than its factorization.

101220321023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30331 (or 30329 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 101220321023020 its reverse (20320123022101), we get a palindrome (121540444045121).

The spelling of 101220321023020 in words is "one hundred one trillion, two hundred twenty billion, three hundred twenty-one million, twenty-three thousand, twenty".