122011155255245 has 32 divisors (see below), whose sum is σ = 148806554588160. Its totient is φ = 96017606530560.

The previous prime is 122011155255239. The next prime is 122011155255247. The reversal of 122011155255245 is 542552551110221.

It is a de Polignac number, because none of the positive numbers 2^k-122011155255245 is a prime.

It is a super-2 number, since 2×122011155255245² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011155255247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1325571425 + ... + 1325663465.

It is an arithmetic number, because the mean of its divisors is an integer number (4650204830880).

Almost surely, 2^{122011155255245} is an apocalyptic number.

It is an amenable number.

122011155255245 is a deficient number, since it is larger than the sum of its proper divisors (26795399332915).

122011155255245 is an equidigital number, since it uses as much as digits as its factorization.

122011155255245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97605.

The product of its (nonzero) digits is 200000, while the sum is 41.

The spelling of 122011155255245 in words is "one hundred twenty-two trillion, eleven billion, one hundred fifty-five million, two hundred fifty-five thousand, two hundred forty-five".