1020120220001 has 8 divisors (see below), whose sum is σ = 1053658310400. Its totient is φ = 986621566320.

The previous prime is 1020120219959. The next prime is 1020120220079. The reversal of 1020120220001 is 1000220210201.

It is a happy number.

1020120220001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020120220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020120225001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9806591 + ... + 9910068.

It is an arithmetic number, because the mean of its divisors is an integer number (131707288800).

Almost surely, 2^{1020120220001} is an apocalyptic number.

It is an amenable number.

1020120220001 is a deficient number, since it is larger than the sum of its proper divisors (33538090399).

1020120220001 is a wasteful number, since it uses less digits than its factorization.

1020120220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19718359.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020120220001 its reverse (1000220210201), we get a palindrome (2020340430202).

The spelling of 1020120220001 in words is "one trillion, twenty billion, one hundred twenty million, two hundred twenty thousand, one".