2141021514511 has 16 divisors (see below), whose sum is σ = 2460038492160. Its totient is φ = 1842855079680.

The previous prime is 2141021514487. The next prime is 2141021514553. The reversal of 2141021514511 is 1154151201412.

It is a cyclic number.

It is not a de Polignac number, because 2141021514511 - 2⁷ = 2141021514383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2141021514511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141021014511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2663631 + ... + 3372976.

It is an arithmetic number, because the mean of its divisors is an integer number (153752405760).

Almost surely, 2^{2141021514511} is an apocalyptic number.

2141021514511 is a deficient number, since it is larger than the sum of its proper divisors (319016977649).

2141021514511 is a wasteful number, since it uses less digits than its factorization.

2141021514511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6038334.

The product of its (nonzero) digits is 1600, while the sum is 28.

Adding to 2141021514511 its reverse (1154151201412), we get a palindrome (3295172715923).

The spelling of 2141021514511 in words is "two trillion, one hundred forty-one billion, twenty-one million, five hundred fourteen thousand, five hundred eleven".