120101121142 has 4 divisors (see below), whose sum is σ = 180151681716. Its totient is φ = 60050560570.

The previous prime is 120101121109. The next prime is 120101121143. The reversal of 120101121142 is 241121101021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101121143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30025280284 + ... + 30025280287.

It is an arithmetic number, because the mean of its divisors is an integer number (45037920429).

Almost surely, 2^120101121142 is an apocalyptic number.

120101121142 is a deficient number, since it is larger than the sum of its proper divisors (60050560574).

120101121142 is an equidigital number, since it uses as much as digits as its factorization.

120101121142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60050560573.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120101121142 its reverse (241121101021), we get a palindrome (361222222163).

The spelling of 120101121142 in words is "one hundred twenty billion, one hundred one million, one hundred twenty-one thousand, one hundred forty-two".