2100103312277 has 2 divisors, whose sum is σ = 2100103312278. Its totient is φ = 2100103312276.

The previous prime is 2100103312273. The next prime is 2100103312327. The reversal of 2100103312277 is 7722133010012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1963252147921 + 136851164356 = 1401161^2 + 369934^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100103312277 - 2² = 2100103312273 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100103312273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050051656138 + 1050051656139.

It is an arithmetic number, because the mean of its divisors is an integer number (1050051656139).

Almost surely, 2^{2100103312277} is an apocalyptic number.

It is an amenable number.

2100103312277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100103312277 is an equidigital number, since it uses as much as digits as its factorization.

2100103312277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

Adding to 2100103312277 its reverse (7722133010012), we get a palindrome (9822236322289).

The spelling of 2100103312277 in words is "two trillion, one hundred billion, one hundred three million, three hundred twelve thousand, two hundred seventy-seven".