2141020521 has 24 divisors (see below), whose sum is σ = 3130799360. Its totient is φ = 1409783616.

The previous prime is 2141020507. The next prime is 2141020537. The reversal of 2141020521 is 1250201412.

2141020521 is a `hidden beast` number, since 2 + 141 + 0 + 2 + 0 + 521 = 666.

It is not a de Polignac number, because 2141020521 - 2¹³ = 2141012329 is a prime.

It is a super-2 number, since 2×2141020521² = 9167937742686222882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141020494 and 2141020503.

It is not an unprimeable number, because it can be changed into a prime (2141020501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376320 + ... + 381966.

Almost surely, 2^2141020521 is an apocalyptic number.

It is an amenable number.

2141020521 is a deficient number, since it is larger than the sum of its proper divisors (989778839).

2141020521 is a wasteful number, since it uses less digits than its factorization.

2141020521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165 (or 6162 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2141020521 is about 46271.1629527506. The cubic root of 2141020521 is about 1288.8635547408.

Adding to 2141020521 its reverse (1250201412), we get a palindrome (3391221933).

The spelling of 2141020521 in words is "two billion, one hundred forty-one million, twenty thousand, five hundred twenty-one".