120020101020001 has 128 divisors (see below), whose sum is σ = 159995940249600. Its totient is φ = 87343195484160.

The previous prime is 120020101019983. The next prime is 120020101020013. The reversal of 120020101020001 is 100020101020021.

It is not a de Polignac number, because 120020101020001 - 2¹¹ = 120020101017953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120020101020001.

It is not an unprimeable number, because it can be changed into a prime (120020101020031) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11205307036 + ... + 11205317746.

It is an arithmetic number, because the mean of its divisors is an integer number (1249968283200).

Almost surely, 2^{120020101020001} is an apocalyptic number.

It is an amenable number.

120020101020001 is a deficient number, since it is larger than the sum of its proper divisors (39975839229599).

120020101020001 is a wasteful number, since it uses less digits than its factorization.

120020101020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11519.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120020101020001 its reverse (100020101020021), we get a palindrome (220040202040022).

The spelling of 120020101020001 in words is "one hundred twenty trillion, twenty billion, one hundred one million, twenty thousand, one".