1020020112201 has 8 divisors (see below), whose sum is σ = 1361091838464. Its totient is φ = 679480897040.

The previous prime is 1020020112187. The next prime is 1020020112203. The reversal of 1020020112201 is 1022110200201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020020112201 - 2⁵ = 1020020112169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020020112203) 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, 133123305 + ... + 133130966.

It is an arithmetic number, because the mean of its divisors is an integer number (170136479808).

Almost surely, 2^{1020020112201} is an apocalyptic number.

It is an amenable number.

1020020112201 is a deficient number, since it is larger than the sum of its proper divisors (341071726263).

1020020112201 is a wasteful number, since it uses less digits than its factorization.

1020020112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266255551.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020020112201 its reverse (1022110200201), we get a palindrome (2042130312402).

The spelling of 1020020112201 in words is "one trillion, twenty billion, twenty million, one hundred twelve thousand, two hundred one".