100121111002111 has 2 divisors, whose sum is σ = 100121111002112. Its totient is φ = 100121111002110.

The previous prime is 100121111002103. The next prime is 100121111002163. The reversal of 100121111002111 is 111200111121001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100121111002111 - 2³ = 100121111002103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100121111002091 and 100121111002100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100421111002111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060555501055 + 50060555501056.

It is an arithmetic number, because the mean of its divisors is an integer number (50060555501056).

Almost surely, 2^{100121111002111} is an apocalyptic number.

100121111002111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100121111002111 is an equidigital number, since it uses as much as digits as its factorization.

100121111002111 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 100121111002111 its reverse (111200111121001), we get a palindrome (211321222123112).

The spelling of 100121111002111 in words is "one hundred trillion, one hundred twenty-one billion, one hundred eleven million, two thousand, one hundred eleven".