2101122102 has 8 divisors (see below), whose sum is σ = 4202244216. Its totient is φ = 700374032.

The previous prime is 2101122097. The next prime is 2101122137. The reversal of 2101122102 is 2012211012.

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

2101122102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175093503 + ... + 175093514.

It is an arithmetic number, because the mean of its divisors is an integer number (525280527).

Almost surely, 2^2101122102 is an apocalyptic number.

2101122102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2101122102 is a wasteful number, since it uses less digits than its factorization.

2101122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350187022.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2101122102 is about 45837.9984510668. The cubic root of 2101122102 is about 1280.8072101593.

Adding to 2101122102 its reverse (2012211012), we get a palindrome (4113333114).

The spelling of 2101122102 in words is "two billion, one hundred one million, one hundred twenty-two thousand, one hundred two".