2100121001141 has 2 divisors, whose sum is σ = 2100121001142. Its totient is φ = 2100121001140.

The previous prime is 2100121001117. The next prime is 2100121001171. The reversal of 2100121001141 is 1411001210012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1847057674225 + 253063326916 = 1359065^2 + 503054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100121001141 is a prime.

It is a super-2 number, since 2×2100121001141² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100121001171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050060500570 + 1050060500571.

It is an arithmetic number, because the mean of its divisors is an integer number (1050060500571).

Almost surely, 2^{2100121001141} is an apocalyptic number.

It is an amenable number.

2100121001141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100121001141 is an equidigital number, since it uses as much as digits as its factorization.

2100121001141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2100121001141 its reverse (1411001210012), we get a palindrome (3511122211153).

The spelling of 2100121001141 in words is "two trillion, one hundred billion, one hundred twenty-one million, one thousand, one hundred forty-one".