122951949011 has 2 divisors, whose sum is σ = 122951949012. Its totient is φ = 122951949010.

The previous prime is 122951949007. The next prime is 122951949037. The reversal of 122951949011 is 110949159221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122951949011 - 2² = 122951949007 is a prime.

It is not a weakly prime, because it can be changed into another prime (122951949311) 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 as a sum of consecutive naturals, namely, 61475974505 + 61475974506.

It is an arithmetic number, because the mean of its divisors is an integer number (61475974506).

Almost surely, 2^122951949011 is an apocalyptic number.

122951949011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122951949011 is an equidigital number, since it uses as much as digits as its factorization.

122951949011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 44.

The spelling of 122951949011 in words is "one hundred twenty-two billion, nine hundred fifty-one million, nine hundred forty-nine thousand, eleven".