2102124311121 has 8 divisors (see below), whose sum is σ = 2802943973344. Its totient is φ = 1401360428160.

The previous prime is 2102124311113. The next prime is 2102124311129. The reversal of 2102124311121 is 1211134212012.

It is an interprime number because it is at equal distance from previous prime (2102124311113) and next prime (2102124311129).

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

It is not a de Polignac number, because 2102124311121 - 2³ = 2102124311113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102124311129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13856800 + ... + 14007681.

It is an arithmetic number, because the mean of its divisors is an integer number (350367996668).

Almost surely, 2^{2102124311121} is an apocalyptic number.

It is an amenable number.

2102124311121 is a deficient number, since it is larger than the sum of its proper divisors (700819662223).

2102124311121 is a wasteful number, since it uses less digits than its factorization.

2102124311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27889631.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 2102124311121 its reverse (1211134212012), we get a palindrome (3313258523133).

The spelling of 2102124311121 in words is "two trillion, one hundred two billion, one hundred twenty-four million, three hundred eleven thousand, one hundred twenty-one".