2101142401121 has 2 divisors, whose sum is σ = 2101142401122. Its totient is φ = 2101142401120.

The previous prime is 2101142401079. The next prime is 2101142401129. The reversal of 2101142401121 is 1211042411012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1535170560400 + 565971840721 = 1239020^2 + 752311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101142401121 is a prime.

It is a super-3 number, since 3×2101142401121³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101142401093 and 2101142401102.

It is not a weakly prime, because it can be changed into another prime (2101142401129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050571200560 + 1050571200561.

It is an arithmetic number, because the mean of its divisors is an integer number (1050571200561).

Almost surely, 2^{2101142401121} is an apocalyptic number.

It is an amenable number.

2101142401121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101142401121 is an equidigital number, since it uses as much as digits as its factorization.

2101142401121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 2101142401121 its reverse (1211042411012), we get a palindrome (3312184812133).

The spelling of 2101142401121 in words is "two trillion, one hundred one billion, one hundred forty-two million, four hundred one thousand, one hundred twenty-one".