1010121200111 has 2 divisors, whose sum is σ = 1010121200112. Its totient is φ = 1010121200110.

The previous prime is 1010121200107. The next prime is 1010121200119. The reversal of 1010121200111 is 1110021210101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010121200111 - 2² = 1010121200107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010121200092 and 1010121200101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010121200119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505060600055 + 505060600056.

It is an arithmetic number, because the mean of its divisors is an integer number (505060600056).

Almost surely, 2^{1010121200111} is an apocalyptic number.

1010121200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010121200111 is an equidigital number, since it uses as much as digits as its factorization.

1010121200111 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 11.

Adding to 1010121200111 its reverse (1110021210101), we get a palindrome (2120142410212).

The spelling of 1010121200111 in words is "one trillion, ten billion, one hundred twenty-one million, two hundred thousand, one hundred eleven".