10244021121020 has 48 divisors (see below), whose sum is σ = 21818365244928. Its totient is φ = 4039353299520.

The previous prime is 10244021121017. The next prime is 10244021121073. The reversal of 10244021121020 is 2012112044201.

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

It is a junction number, because it is equal to n+sod(n) for n = 10244021120983 and 10244021121001.

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, 10179449 + ... + 11140431.

It is an arithmetic number, because the mean of its divisors is an integer number (454549275936).

Almost surely, 2^{10244021121020} is an apocalyptic number.

10244021121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10244021121020 is an abundant number, since it is smaller than the sum of its proper divisors (11574344123908).

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

10244021121020 is a wasteful number, since it uses less digits than its factorization.

10244021121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968570 (or 968568 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10244021121020 its reverse (2012112044201), we get a palindrome (12256133165221).

The spelling of 10244021121020 in words is "ten trillion, two hundred forty-four billion, twenty-one million, one hundred twenty-one thousand, twenty".