122155103140 has 24 divisors (see below), whose sum is σ = 293172247872. Its totient is φ = 41881749600.

The previous prime is 122155103131. The next prime is 122155103149. The reversal of 122155103140 is 41301551221.

It is an interprime number because it is at equal distance from previous prime (122155103131) and next prime (122155103149).

It is not an unprimeable number, because it can be changed into a prime (122155103149) 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 7 ways as a sum of consecutive naturals, for example, 436268086 + ... + 436268365.

It is an arithmetic number, because the mean of its divisors is an integer number (12215510328).

Almost surely, 2^122155103140 is an apocalyptic number.

122155103140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122155103140 is an abundant number, since it is smaller than the sum of its proper divisors (171017144732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122155103140 is a wasteful number, since it uses less digits than its factorization.

122155103140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872536467 (or 872536465 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 122155103140 its reverse (41301551221), we get a palindrome (163456654361).

The spelling of 122155103140 in words is "one hundred twenty-two billion, one hundred fifty-five million, one hundred three thousand, one hundred forty".