10201010123111 has 4 divisors (see below), whose sum is σ = 10530074965824. Its totient is φ = 9871945280400.

The previous prime is 10201010123099. The next prime is 10201010123113. The reversal of 10201010123111 is 11132101010201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10201010123111 - 2⁴² = 5802963612007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201010123113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164532421310 + ... + 164532421371.

It is an arithmetic number, because the mean of its divisors is an integer number (2632518741456).

Almost surely, 2^{10201010123111} is an apocalyptic number.

10201010123111 is a deficient number, since it is larger than the sum of its proper divisors (329064842713).

10201010123111 is an equidigital number, since it uses as much as digits as its factorization.

10201010123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329064842712.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10201010123111 its reverse (11132101010201), we get a palindrome (21333111133312).

The spelling of 10201010123111 in words is "ten trillion, two hundred one billion, ten million, one hundred twenty-three thousand, one hundred eleven".