101322421420 has 48 divisors (see below), whose sum is σ = 232209942048. Its totient is φ = 36830312960.

The previous prime is 101322421379. The next prime is 101322421427. The reversal of 101322421420 is 24124223101.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 101322421391 and 101322421400.

It is not an unprimeable number, because it can be changed into a prime (101322421427) 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, 491802 + ... + 666718.

It is an arithmetic number, because the mean of its divisors is an integer number (4837707126).

Almost surely, 2^101322421420 is an apocalyptic number.

101322421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101322421420 is an abundant number, since it is smaller than the sum of its proper divisors (130887520628).

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

101322421420 is a wasteful number, since it uses less digits than its factorization.

101322421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177570 (or 177568 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 101322421420 its reverse (24124223101), we get a palindrome (125446644521).

The spelling of 101322421420 in words is "one hundred one billion, three hundred twenty-two million, four hundred twenty-one thousand, four hundred twenty".