122011101021111 has 32 divisors (see below), whose sum is σ = 163671042382848. Its totient is φ = 80847647562240.

The previous prime is 122011101021067. The next prime is 122011101021119. The reversal of 122011101021111 is 111120101110221.

It is not a de Polignac number, because 122011101021111 - 2¹⁰ = 122011101020087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011101021119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746085925 + ... + 746249441.

It is an arithmetic number, because the mean of its divisors is an integer number (5114720074464).

Almost surely, 2^{122011101021111} is an apocalyptic number.

122011101021111 is a deficient number, since it is larger than the sum of its proper divisors (41659941361737).

122011101021111 is a wasteful number, since it uses less digits than its factorization.

122011101021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166111.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 122011101021111 its reverse (111120101110221), we get a palindrome (233131202131332).

The spelling of 122011101021111 in words is "one hundred twenty-two trillion, eleven billion, one hundred one million, twenty-one thousand, one hundred eleven".