2100220412377 has 2 divisors, whose sum is σ = 2100220412378. Its totient is φ = 2100220412376.

The previous prime is 2100220412363. The next prime is 2100220412431. The reversal of 2100220412377 is 7732140220012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1673773537536 + 426446874841 = 1293744^2 + 653029^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100220412377 - 2¹¹ = 2100220410329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100220412347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050110206188 + 1050110206189.

It is an arithmetic number, because the mean of its divisors is an integer number (1050110206189).

Almost surely, 2^{2100220412377} is an apocalyptic number.

It is an amenable number.

2100220412377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100220412377 is an equidigital number, since it uses as much as digits as its factorization.

2100220412377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

Adding to 2100220412377 its reverse (7732140220012), we get a palindrome (9832360632389).

The spelling of 2100220412377 in words is "two trillion, one hundred billion, two hundred twenty million, four hundred twelve thousand, three hundred seventy-seven".