101321002220 has 24 divisors (see below), whose sum is σ = 213207473808. Its totient is φ = 40445854400.

The previous prime is 101321002163. The next prime is 101321002259. The reversal of 101321002220 is 22200123101.

It is a happy number.

It is a super-3 number, since 3×101321002220³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101321002195 and 101321002204.

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, 5149091 + ... + 5168730.

It is an arithmetic number, because the mean of its divisors is an integer number (8883644742).

Almost surely, 2^101321002220 is an apocalyptic number.

101321002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101321002220 is an abundant number, since it is smaller than the sum of its proper divisors (111886471588).

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

101321002220 is a wasteful number, since it uses less digits than its factorization.

101321002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10318321 (or 10318319 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 101321002220 its reverse (22200123101), we get a palindrome (123521125321).

The spelling of 101321002220 in words is "one hundred one billion, three hundred twenty-one million, two thousand, two hundred twenty".