1020521011014 has 16 divisors (see below), whose sum is σ = 2267824469040. Its totient is φ = 340173670320.

The previous prime is 1020521011001. The next prime is 1020521011063. The reversal of 1020521011014 is 4101101250201.

1020521011014 is a `hidden beast` number, since 1 + 0 + 20 + 521 + 0 + 110 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9449268567 + ... + 9449268674.

It is an arithmetic number, because the mean of its divisors is an integer number (141739029315).

Almost surely, 2^{1020521011014} is an apocalyptic number.

1020521011014 is an abundant number, since it is smaller than the sum of its proper divisors (1247303458026).

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

1020521011014 is a wasteful number, since it uses less digits than its factorization.

1020521011014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18898537252 (or 18898537246 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 1020521011014 its reverse (4101101250201), we get a palindrome (5121622261215).

The spelling of 1020521011014 in words is "one trillion, twenty billion, five hundred twenty-one million, eleven thousand, fourteen".