10021453521452 has 12 divisors (see below), whose sum is σ = 17799298046040. Its totient is φ = 4935939794016.

The previous prime is 10021453521451. The next prime is 10021453521463. The reversal of 10021453521452 is 25412535412001.

It is not an unprimeable number, because it can be changed into a prime (10021453521451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18696741377 + ... + 18696741912.

It is an arithmetic number, because the mean of its divisors is an integer number (1483274837170).

Almost surely, 2^{10021453521452} is an apocalyptic number.

It is an amenable number.

10021453521452 is a deficient number, since it is larger than the sum of its proper divisors (7777844524588).

10021453521452 is a wasteful number, since it uses less digits than its factorization.

10021453521452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37393483360 (or 37393483358 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 10021453521452 its reverse (25412535412001), we get a palindrome (35433988933453).

The spelling of 10021453521452 in words is "ten trillion, twenty-one billion, four hundred fifty-three million, five hundred twenty-one thousand, four hundred fifty-two".