102011220012111 has 16 divisors (see below), whose sum is σ = 136393158037248. Its totient is φ = 67818640219200.

The previous prime is 102011220012101. The next prime is 102011220012113. The reversal of 102011220012111 is 111210022110201.

It is a happy number.

It is not a de Polignac number, because 102011220012111 - 2¹⁰ = 102011220011087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011220012113) 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, 30827830 + ... + 33976131.

It is an arithmetic number, because the mean of its divisors is an integer number (8524572377328).

Almost surely, 2^{102011220012111} is an apocalyptic number.

102011220012111 is a deficient number, since it is larger than the sum of its proper divisors (34381938025137).

102011220012111 is an equidigital number, since it uses as much as digits as its factorization.

102011220012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64805422.

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

Adding to 102011220012111 its reverse (111210022110201), we get a palindrome (213221242122312).

The spelling of 102011220012111 in words is "one hundred two trillion, eleven billion, two hundred twenty million, twelve thousand, one hundred eleven".