2100242233541 has 2 divisors, whose sum is σ = 2100242233542. Its totient is φ = 2100242233540.

The previous prime is 2100242233517. The next prime is 2100242233577. The reversal of 2100242233541 is 1453322420012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2064239068516 + 36003165025 = 1436746^2 + 189745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100242233541 is a prime.

It is a super-2 number, since 2×2100242233541² (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 (2100242233501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050121116770 + 1050121116771.

It is an arithmetic number, because the mean of its divisors is an integer number (1050121116771).

Almost surely, 2^{2100242233541} is an apocalyptic number.

It is an amenable number.

2100242233541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100242233541 is an equidigital number, since it uses as much as digits as its factorization.

2100242233541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 2100242233541 its reverse (1453322420012), we get a palindrome (3553564653553).

The spelling of 2100242233541 in words is "two trillion, one hundred billion, two hundred forty-two million, two hundred thirty-three thousand, five hundred forty-one".