122120202080111 has 2 divisors, whose sum is σ = 122120202080112. Its totient is φ = 122120202080110.

The previous prime is 122120202080101. The next prime is 122120202080143. The reversal of 122120202080111 is 111080202021221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122120202080111 is a prime.

It is a super-2 number, since 2×122120202080111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120202080101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060101040055 + 61060101040056.

It is an arithmetic number, because the mean of its divisors is an integer number (61060101040056).

Almost surely, 2^{122120202080111} is an apocalyptic number.

122120202080111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120202080111 is an equidigital number, since it uses as much as digits as its factorization.

122120202080111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 23.

The spelling of 122120202080111 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred two million, eighty thousand, one hundred eleven".