2052121201541 has 2 divisors, whose sum is σ = 2052121201542. Its totient is φ = 2052121201540.

The previous prime is 2052121201519. The next prime is 2052121201561. The reversal of 2052121201541 is 1451021212502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2051955976225 + 165225316 = 1432465^2 + 12854^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052121201541 - 2¹⁴ = 2052121185157 is a prime.

It is a super-2 number, since 2×2052121201541² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2052121201541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2052121201561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026060600770 + 1026060600771.

It is an arithmetic number, because the mean of its divisors is an integer number (1026060600771).

Almost surely, 2^{2052121201541} is an apocalyptic number.

It is an amenable number.

2052121201541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052121201541 is an equidigital number, since it uses as much as digits as its factorization.

2052121201541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 26.

The spelling of 2052121201541 in words is "two trillion, fifty-two billion, one hundred twenty-one million, two hundred one thousand, five hundred forty-one".