2113101039977 has 2 divisors, whose sum is σ = 2113101039978. Its totient is φ = 2113101039976.

The previous prime is 2113101039967. The next prime is 2113101040021. The reversal of 2113101039977 is 7799301013112.

It is an a-pointer prime, because the next prime (2113101040021) can be obtained adding 2113101039977 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2037139616656 + 75961423321 = 1427284^2 + 275611^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113101039977 - 2⁶ = 2113101039913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113101039937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056550519988 + 1056550519989.

It is an arithmetic number, because the mean of its divisors is an integer number (1056550519989).

Almost surely, 2^{2113101039977} is an apocalyptic number.

It is an amenable number.

2113101039977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113101039977 is an equidigital number, since it uses as much as digits as its factorization.

2113101039977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 44.

The spelling of 2113101039977 in words is "two trillion, one hundred thirteen billion, one hundred one million, thirty-nine thousand, nine hundred seventy-seven".