1020000120201 has 12 divisors (see below), whose sum is σ = 1473694759680. Its totient is φ = 679833348120.

The previous prime is 1020000120193. The next prime is 1020000120203. The reversal of 1020000120201 is 1020210000201.

It is not a de Polignac number, because 1020000120201 - 2³ = 1020000120193 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020000120203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13855585 + ... + 13929006.

It is an arithmetic number, because the mean of its divisors is an integer number (122807896640).

Almost surely, 2^{1020000120201} is an apocalyptic number.

It is an amenable number.

1020000120201 is a deficient number, since it is larger than the sum of its proper divisors (453694639479).

1020000120201 is a wasteful number, since it uses less digits than its factorization.

1020000120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27788676 (or 27788673 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1020000120201 its reverse (1020210000201), we get a palindrome (2040210120402).

The spelling of 1020000120201 in words is "one trillion, twenty billion, one hundred twenty thousand, two hundred one".