2102211122102 has 48 divisors (see below), whose sum is σ = 3951109138032. Its totient is φ = 831475471680.

The previous prime is 2102211121999. The next prime is 2102211122117. The reversal of 2102211122102 is 2012211122012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6219368 + ... + 6548660.

It is an arithmetic number, because the mean of its divisors is an integer number (82314773709).

Almost surely, 2^{2102211122102} is an apocalyptic number.

2102211122102 is a deficient number, since it is larger than the sum of its proper divisors (1848898015930).

2102211122102 is a wasteful number, since it uses less digits than its factorization.

2102211122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334333 (or 334326 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2102211122102 its reverse (2012211122012), we get a palindrome (4114422244114).

The spelling of 2102211122102 in words is "two trillion, one hundred two billion, two hundred eleven million, one hundred twenty-two thousand, one hundred two".