122011221000187 has 2 divisors, whose sum is σ = 122011221000188. Its totient is φ = 122011221000186.

The previous prime is 122011221000143. The next prime is 122011221000211. The reversal of 122011221000187 is 781000122110221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122011221000187 - 2²³ = 122011212611579 is a prime.

It is not a weakly prime, because it can be changed into another prime (122011221000287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005610500093 + 61005610500094.

It is an arithmetic number, because the mean of its divisors is an integer number (61005610500094).

Almost surely, 2^{122011221000187} is an apocalyptic number.

122011221000187 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011221000187 is an equidigital number, since it uses as much as digits as its factorization.

122011221000187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

The spelling of 122011221000187 in words is "one hundred twenty-two trillion, eleven billion, two hundred twenty-one million, one hundred eighty-seven", and thus it is an aban number.