101421311024 has 80 divisors (see below), whose sum is σ = 227823230880. Its totient is φ = 43227156480.

The previous prime is 101421310931. The next prime is 101421311039. The reversal of 101421311024 is 420113124101.

It is a junction number, because it is equal to n+sod(n) for n = 101421310987 and 101421311005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741842 + ... + 867854.

It is an arithmetic number, because the mean of its divisors is an integer number (2847790386).

Almost surely, 2^101421311024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101421311024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113911615440).

101421311024 is an abundant number, since it is smaller than the sum of its proper divisors (126401919856).

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

101421311024 is a wasteful number, since it uses less digits than its factorization.

101421311024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126318 (or 126312 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 101421311024 its reverse (420113124101), we get a palindrome (521534435125).

The spelling of 101421311024 in words is "one hundred one billion, four hundred twenty-one million, three hundred eleven thousand, twenty-four".