121112000101 has 2 divisors, whose sum is σ = 121112000102. Its totient is φ = 121112000100.

The previous prime is 121112000077. The next prime is 121112000111. The reversal of 121112000101 is 101000211121.

It is an a-pointer prime, because the next prime (121112000111) can be obtained adding 121112000101 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118061647201 + 3050352900 = 343601^2 + 55230^2 .

It is a cyclic number.

It is not a de Polignac number, because 121112000101 - 2⁵ = 121112000069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112000111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556000050 + 60556000051.

It is an arithmetic number, because the mean of its divisors is an integer number (60556000051).

Almost surely, 2^121112000101 is an apocalyptic number.

It is an amenable number.

121112000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112000101 is an equidigital number, since it uses as much as digits as its factorization.

121112000101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121112000101 its reverse (101000211121), we get a palindrome (222112211222).

The spelling of 121112000101 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred one", and thus it is an aban number.