122501131011 has 24 divisors (see below), whose sum is σ = 214119625824. Its totient is φ = 65882960640.

The previous prime is 122501130989. The next prime is 122501131019. The reversal of 122501131011 is 110131105221.

122501131011 is a `hidden beast` number, since 1 + 22 + 501 + 131 + 0 + 11 = 666.

It is not a de Polignac number, because 122501131011 - 2¹¹ = 122501128963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122501131019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57189000 + ... + 57191141.

It is an arithmetic number, because the mean of its divisors is an integer number (8921651076).

Almost surely, 2^122501131011 is an apocalyptic number.

122501131011 is a deficient number, since it is larger than the sum of its proper divisors (91618494813).

122501131011 is a wasteful number, since it uses less digits than its factorization.

122501131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114380171 (or 114380168 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 122501131011 its reverse (110131105221), we get a palindrome (232632236232).

The spelling of 122501131011 in words is "one hundred twenty-two billion, five hundred one million, one hundred thirty-one thousand, eleven".