120749221871 has 16 divisors (see below), whose sum is σ = 124898075328. Its totient is φ = 116647776000.

The previous prime is 120749221867. The next prime is 120749221927. The reversal of 120749221871 is 178122947021.

It is a cyclic number.

It is not a de Polignac number, because 120749221871 - 2² = 120749221867 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 (120749221861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14080541 + ... + 14089113.

It is an arithmetic number, because the mean of its divisors is an integer number (7806129708).

Almost surely, 2^120749221871 is an apocalyptic number.

120749221871 is a deficient number, since it is larger than the sum of its proper divisors (4148853457).

120749221871 is a wasteful number, since it uses less digits than its factorization.

120749221871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11282.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 120749221871 in words is "one hundred twenty billion, seven hundred forty-nine million, two hundred twenty-one thousand, eight hundred seventy-one".