102120122011112 has 8 divisors (see below), whose sum is σ = 191475228770850. Its totient is φ = 51060061005552.

The previous prime is 102120122011093. The next prime is 102120122011121. The reversal of 102120122011112 is 211110221021201.

It can be written as a sum of positive squares in only one way, i.e., 65789196990916 + 36330925020196 = 8111054^2 + 6027514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382507625687 + ... + 6382507625702.

Almost surely, 2^{102120122011112} is an apocalyptic number.

It is an amenable number.

102120122011112 is a deficient number, since it is larger than the sum of its proper divisors (89355106759738).

102120122011112 is a wasteful number, since it uses less digits than its factorization.

102120122011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12765015251395 (or 12765015251391 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102120122011112 its reverse (211110221021201), we get a palindrome (313230343032313).

The spelling of 102120122011112 in words is "one hundred two trillion, one hundred twenty billion, one hundred twenty-two million, eleven thousand, one hundred twelve".