102111301121 has 32 divisors (see below), whose sum is σ = 108472435200. Its totient is φ = 95976840960.

The previous prime is 102111301079. The next prime is 102111301151. The reversal of 102111301121 is 121103111201.

It is a de Polignac number, because none of the positive numbers 2^k-102111301121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102111301096 and 102111301105.

It is not an unprimeable number, because it can be changed into a prime (102111301151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124373891 + ... + 124374711.

It is an arithmetic number, because the mean of its divisors is an integer number (3389763600).

Almost surely, 2^102111301121 is an apocalyptic number.

It is an amenable number.

102111301121 is a deficient number, since it is larger than the sum of its proper divisors (6361134079).

102111301121 is a wasteful number, since it uses less digits than its factorization.

102111301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 102111301121 its reverse (121103111201), we get a palindrome (223214412322).

The spelling of 102111301121 in words is "one hundred two billion, one hundred eleven million, three hundred one thousand, one hundred twenty-one".