120101120001 has 48 divisors (see below), whose sum is σ = 183542835840. Its totient is φ = 75466702080.

The previous prime is 120101119997. The next prime is 120101120011. The reversal of 120101120001 is 100021101021.

It is a happy number.

It is not a de Polignac number, because 120101120001 - 2² = 120101119997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (120101120011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39544455 + ... + 39547491.

It is an arithmetic number, because the mean of its divisors is an integer number (3823809080).

Almost surely, 2^120101120001 is an apocalyptic number.

It is an amenable number.

120101120001 is a deficient number, since it is larger than the sum of its proper divisors (63441715839).

120101120001 is a wasteful number, since it uses less digits than its factorization.

120101120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166 (or 4163 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120101120001 its reverse (100021101021), we get a palindrome (220122221022).

The spelling of 120101120001 in words is "one hundred twenty billion, one hundred one million, one hundred twenty thousand, one".