2101122006 has 16 divisors (see below), whose sum is σ = 4217417904. Its totient is φ = 697845024.

The previous prime is 2101121959. The next prime is 2101122017. The reversal of 2101122006 is 6002211012.

It is a congruent number.

It is an unprimeable number.

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, 630445 + ... + 633768.

It is an arithmetic number, because the mean of its divisors is an integer number (263588619).

Almost surely, 2^2101122006 is an apocalyptic number.

2101122006 is an abundant number, since it is smaller than the sum of its proper divisors (2116295898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101122006 is a wasteful number, since it uses less digits than its factorization.

2101122006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264495.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2101122006 is about 45837.9974039006. The cubic root of 2101122006 is about 1280.8071906527.

Adding to 2101122006 its reverse (6002211012), we get a palindrome (8103333018).

The spelling of 2101122006 in words is "two billion, one hundred one million, one hundred twenty-two thousand, six".