12101012022111 has 16 divisors (see below), whose sum is σ = 16473555780864. Its totient is φ = 7899346819584.

The previous prime is 12101012022101. The next prime is 12101012022199. The reversal of 12101012022111 is 11122021010121.

It is a happy number.

It is not a de Polignac number, because 12101012022111 - 2¹⁷ = 12101011891039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101012022101) 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 15 ways as a sum of consecutive naturals, for example, 180218050 + ... + 180285183.

It is an arithmetic number, because the mean of its divisors is an integer number (1029597236304).

Almost surely, 2^{12101012022111} is an apocalyptic number.

12101012022111 is a deficient number, since it is larger than the sum of its proper divisors (4372543758753).

12101012022111 is a wasteful number, since it uses less digits than its factorization.

12101012022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360503470.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12101012022111 its reverse (11122021010121), we get a palindrome (23223033032232).

The spelling of 12101012022111 in words is "twelve trillion, one hundred one billion, twelve million, twenty-two thousand, one hundred eleven".