122951948911 has 32 divisors (see below), whose sum is σ = 145881243648. Its totient is φ = 102364823040.

The previous prime is 122951948837. The next prime is 122951948921. The reversal of 122951948911 is 119849159221.

It is a cyclic number.

It is not a de Polignac number, because 122951948911 - 2²⁹ = 122415077999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122951948921) 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, 1480066 + ... + 1560928.

It is an arithmetic number, because the mean of its divisors is an integer number (4558788864).

Almost surely, 2^122951948911 is an apocalyptic number.

122951948911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122951948911 is a deficient number, since it is larger than the sum of its proper divisors (22929294737).

122951948911 is a wasteful number, since it uses less digits than its factorization.

122951948911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81111.

The product of its digits is 466560, while the sum is 52.

The spelling of 122951948911 in words is "one hundred twenty-two billion, nine hundred fifty-one million, nine hundred forty-eight thousand, nine hundred eleven".