2101201006 has 16 divisors (see below), whose sum is σ = 3234394800. Its totient is φ = 1023355008.

The previous prime is 2101200991. The next prime is 2101201009. The reversal of 2101201006 is 6001021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101201009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56571 + ... + 86038.

It is an arithmetic number, because the mean of its divisors is an integer number (202149675).

Almost surely, 2^2101201006 is an apocalyptic number.

2101201006 is a deficient number, since it is larger than the sum of its proper divisors (1133193794).

2101201006 is a wasteful number, since it uses less digits than its factorization.

2101201006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142803.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2101201006 is about 45838.8591262915. The cubic root of 2101201006 is about 1280.8232427905.

Adding to 2101201006 its reverse (6001021012), we get a palindrome (8102222018).

It can be divided in two parts, 210 and 1201006, that added together give a square (1201216 = 1096²).

The spelling of 2101201006 in words is "two billion, one hundred one million, two hundred one thousand, six".