2121451014 has 16 divisors (see below), whose sum is σ = 4246115328. Its totient is φ = 706614792.

The previous prime is 2121451009. The next prime is 2121451019. The reversal of 2121451014 is 4101541212.

2121451014 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2121451009) and next prime (2121451019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121451019) 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, 125262 + ... + 141185.

It is an arithmetic number, because the mean of its divisors is an integer number (265382208).

Almost surely, 2^2121451014 is an apocalyptic number.

2121451014 is an abundant number, since it is smaller than the sum of its proper divisors (2124664314).

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

2121451014 is a wasteful number, since it uses less digits than its factorization.

2121451014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267779.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2121451014 is about 46059.2120427608. The cubic root of 2121451014 is about 1284.9246755445.

Adding to 2121451014 its reverse (4101541212), we get a palindrome (6222992226).

The spelling of 2121451014 in words is "two billion, one hundred twenty-one million, four hundred fifty-one thousand, fourteen".