2120021041 has 8 divisors (see below), whose sum is σ = 2160798120. Its totient is φ = 2079272832.

The previous prime is 2120021003. The next prime is 2120021053. The reversal of 2120021041 is 1401200212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1612825600 + 507195441 = 40160^2 + 22521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120021041 - 2²¹ = 2117923889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120021081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194451 + ... + 205063.

It is an arithmetic number, because the mean of its divisors is an integer number (270099765).

Almost surely, 2^2120021041 is an apocalyptic number.

It is an amenable number.

2120021041 is a deficient number, since it is larger than the sum of its proper divisors (40777079).

2120021041 is a wasteful number, since it uses less digits than its factorization.

2120021041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14435.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2120021041 is about 46043.6862229774. The cubic root of 2120021041 is about 1284.6359076881.

Adding to 2120021041 its reverse (1401200212), we get a palindrome (3521221253).

The spelling of 2120021041 in words is "two billion, one hundred twenty million, twenty-one thousand, forty-one".