10021232221040 has 80 divisors (see below), whose sum is σ = 24105126592800. Its totient is φ = 3869894009856.

The previous prime is 10021232221037. The next prime is 10021232221051. The reversal of 10021232221040 is 4012223212001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 24362519 + ... + 24770441.

It is an arithmetic number, because the mean of its divisors is an integer number (301314082410).

Almost surely, 2^{10021232221040} is an apocalyptic number.

10021232221040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021232221040 is an abundant number, since it is smaller than the sum of its proper divisors (14083894371760).

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

10021232221040 is a wasteful number, since it uses less digits than its factorization.

10021232221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418554 (or 418548 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10021232221040 its reverse (4012223212001), we get a palindrome (14033455433041).

The spelling of 10021232221040 in words is "ten trillion, twenty-one billion, two hundred thirty-two million, two hundred twenty-one thousand, forty".