122011102005 has 16 divisors (see below), whose sum is σ = 210234514560. Its totient is φ = 60067003968.

The previous prime is 122011102001. The next prime is 122011102009. The reversal of 122011102005 is 500201110221.

It is an interprime number because it is at equal distance from previous prime (122011102001) and next prime (122011102009).

It is not a de Polignac number, because 122011102005 - 2² = 122011102001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011102001) 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, 312848785 + ... + 312849174.

It is an arithmetic number, because the mean of its divisors is an integer number (13139657160).

Almost surely, 2^122011102005 is an apocalyptic number.

122011102005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122011102005 is a deficient number, since it is larger than the sum of its proper divisors (88223412555).

122011102005 is a wasteful number, since it uses less digits than its factorization.

122011102005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625697980.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 122011102005 its reverse (500201110221), we get a palindrome (622212212226).

The spelling of 122011102005 in words is "one hundred twenty-two billion, eleven million, one hundred two thousand, five".