101331202121111 has 16 divisors (see below), whose sum is σ = 107740622744160. Its totient is φ = 95297264883648.

The previous prime is 101331202121063. The next prime is 101331202121147. The reversal of 101331202121111 is 111121202133101.

It is a de Polignac number, because none of the positive numbers 2^k-101331202121111 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 (101331202921111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52978076 + ... + 54857441.

It is an arithmetic number, because the mean of its divisors is an integer number (6733788921510).

Almost surely, 2^{101331202121111} is an apocalyptic number.

101331202121111 is a deficient number, since it is larger than the sum of its proper divisors (6409420623049).

101331202121111 is an equidigital number, since it uses as much as digits as its factorization.

101331202121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107835711 (or 107835673 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 101331202121111 its reverse (111121202133101), we get a palindrome (212452404254212).

The spelling of 101331202121111 in words is "one hundred one trillion, three hundred thirty-one billion, two hundred two million, one hundred twenty-one thousand, one hundred eleven".