2101315421040 has 160 divisors (see below), whose sum is σ = 7108109551872. Its totient is φ = 509277696000.

The previous prime is 2101315421033. The next prime is 2101315421069. The reversal of 2101315421040 is 401245131012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2101315421040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10276600 + ... + 10479080.

Almost surely, 2^{2101315421040} is an apocalyptic number.

2101315421040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101315421040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3554054775936).

2101315421040 is an abundant number, since it is smaller than the sum of its proper divisors (5006794130832).

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

2101315421040 is a wasteful number, since it uses less digits than its factorization.

2101315421040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206439 (or 206433 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 2101315421040 in words is "two trillion, one hundred one billion, three hundred fifteen million, four hundred twenty-one thousand, forty".