100120102111111 has 2 divisors, whose sum is σ = 100120102111112. Its totient is φ = 100120102111110.

The previous prime is 100120102111103. The next prime is 100120102111151. The reversal of 100120102111111 is 111111201021001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100120102111111 - 2³ = 100120102111103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100120102111091 and 100120102111100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100120102111151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060051055555 + 50060051055556.

It is an arithmetic number, because the mean of its divisors is an integer number (50060051055556).

Almost surely, 2^{100120102111111} is an apocalyptic number.

100120102111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120102111111 is an equidigital number, since it uses as much as digits as its factorization.

100120102111111 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 13.

Adding to 100120102111111 its reverse (111111201021001), we get a palindrome (211231303132112).

The spelling of 100120102111111 in words is "one hundred trillion, one hundred twenty billion, one hundred two million, one hundred eleven thousand, one hundred eleven".