101321000420 has 12 divisors (see below), whose sum is σ = 212774100924. Its totient is φ = 40528400160.

The previous prime is 101321000413. The next prime is 101321000437. The reversal of 101321000420 is 24000123101.

It can be written as a sum of positive squares in 2 ways, for example, as 13417052224 + 87903948196 = 115832^2 + 296486^2 .

It is a super-2 number, since 2×101321000420² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101321000395 and 101321000404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533024991 + ... + 2533025030.

It is an arithmetic number, because the mean of its divisors is an integer number (17731175077).

Almost surely, 2^101321000420 is an apocalyptic number.

101321000420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101321000420 is an abundant number, since it is smaller than the sum of its proper divisors (111453100504).

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

101321000420 is a wasteful number, since it uses less digits than its factorization.

101321000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066050030 (or 5066050028 counting only the distinct ones).

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

Adding to 101321000420 its reverse (24000123101), we get a palindrome (125321123521).

The spelling of 101321000420 in words is "one hundred one billion, three hundred twenty-one million, four hundred twenty", and thus it is an aban number.