101201209111 has 2 divisors, whose sum is σ = 101201209112. Its totient is φ = 101201209110.

The previous prime is 101201209103. The next prime is 101201209127. The reversal of 101201209111 is 111902102101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101201209111 - 2³ = 101201209103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101201209171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600604555 + 50600604556.

It is an arithmetic number, because the mean of its divisors is an integer number (50600604556).

Almost surely, 2^101201209111 is an apocalyptic number.

101201209111 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201209111 is an equidigital number, since it uses as much as digits as its factorization.

101201209111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 101201209111 in words is "one hundred one billion, two hundred one million, two hundred nine thousand, one hundred eleven".