2101122206 has 8 divisors (see below), whose sum is σ = 3152555640. Its totient is φ = 1050270328.

The previous prime is 2101122187. The next prime is 2101122217. The reversal of 2101122206 is 6022211012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136241 + ... + 150876.

It is an arithmetic number, because the mean of its divisors is an integer number (394069455).

Almost surely, 2^2101122206 is an apocalyptic number.

2101122206 is a deficient number, since it is larger than the sum of its proper divisors (1051433434).

2101122206 is a wasteful number, since it uses less digits than its factorization.

2101122206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290778.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2101122206 is about 45837.9995854967. Note that the first 3 decimals coincide. The cubic root of 2101122206 is about 1280.8072312915.

Adding to 2101122206 its reverse (6022211012), we get a palindrome (8123333218).

The spelling of 2101122206 in words is "two billion, one hundred one million, one hundred twenty-two thousand, two hundred six".