2102311322102 has 4 divisors (see below), whose sum is σ = 3153466983156. Its totient is φ = 1051155661050.

The previous prime is 2102311322071. The next prime is 2102311322119. The reversal of 2102311322102 is 2012231132012.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525577830524 + ... + 525577830527.

It is an arithmetic number, because the mean of its divisors is an integer number (788366745789).

Almost surely, 2^{2102311322102} is an apocalyptic number.

2102311322102 is a deficient number, since it is larger than the sum of its proper divisors (1051155661054).

2102311322102 is a wasteful number, since it uses less digits than its factorization.

2102311322102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051155661053.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2102311322102 its reverse (2012231132012), we get a palindrome (4114542454114).

The spelling of 2102311322102 in words is "two trillion, one hundred two billion, three hundred eleven million, three hundred twenty-two thousand, one hundred two".