120101102109978 has 48 divisors (see below), whose sum is σ = 264041721887328. Its totient is φ = 36391818152800.

The previous prime is 120101102109943. The next prime is 120101102109979. The reversal of 120101102109978 is 879901201101021.

It is not an unprimeable number, because it can be changed into a prime (120101102109979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5203408 + ... + 16348628.

It is an arithmetic number, because the mean of its divisors is an integer number (5500869205986).

Almost surely, 2^{120101102109978} is an apocalyptic number.

120101102109978 is an abundant number, since it is smaller than the sum of its proper divisors (143940619777350).

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

120101102109978 is a wasteful number, since it uses less digits than its factorization.

120101102109978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160091 (or 11160080 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 42.

The spelling of 120101102109978 in words is "one hundred twenty trillion, one hundred one billion, one hundred two million, one hundred nine thousand, nine hundred seventy-eight".