2102121022102 has 8 divisors (see below), whose sum is σ = 3153187720512. Its totient is φ = 1051058448600.

The previous prime is 2102121022007. The next prime is 2102121022159. The reversal of 2102121022102 is 2012201212012.

It is a happy number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1268827 + ... + 2411257.

It is an arithmetic number, because the mean of its divisors is an integer number (394148465064).

Almost surely, 2^{2102121022102} is an apocalyptic number.

2102121022102 is a deficient number, since it is larger than the sum of its proper divisors (1051066698410).

2102121022102 is a wasteful number, since it uses less digits than its factorization.

2102121022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062454.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102121022102 its reverse (2012201212012), we get a palindrome (4114322234114).

The spelling of 2102121022102 in words is "two trillion, one hundred two billion, one hundred twenty-one million, twenty-two thousand, one hundred two".