2106634745101 has 4 divisors (see below), whose sum is σ = 2106637936732. Its totient is φ = 2106631553472.

The previous prime is 2106634745099. The next prime is 2106634745107. The reversal of 2106634745101 is 1015474366012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1011945462025 + 1094689283076 = 1005955^2 + 1046274^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106634745101 - 2¹ = 2106634745099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106634745107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197070 + ... + 2062063.

It is an arithmetic number, because the mean of its divisors is an integer number (526659484183).

Almost surely, 2^{2106634745101} is an apocalyptic number.

It is an amenable number.

2106634745101 is a deficient number, since it is larger than the sum of its proper divisors (3191631).

2106634745101 is an equidigital number, since it uses as much as digits as its factorization.

2106634745101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191630.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 2106634745101 in words is "two trillion, one hundred six billion, six hundred thirty-four million, seven hundred forty-five thousand, one hundred one".