1021110220201 has 16 divisors (see below), whose sum is σ = 1049642193600. Its totient is φ = 992798231040.

The previous prime is 1021110220187. The next prime is 1021110220219. The reversal of 1021110220201 is 1020220111201.

It is a cyclic number.

It is not a de Polignac number, because 1021110220201 - 2⁷ = 1021110220073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021110220271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40554346 + ... + 40579516.

It is an arithmetic number, because the mean of its divisors is an integer number (65602637100).

Almost surely, 2^{1021110220201} is an apocalyptic number.

It is an amenable number.

1021110220201 is a deficient number, since it is larger than the sum of its proper divisors (28531973399).

1021110220201 is a wasteful number, since it uses less digits than its factorization.

1021110220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29496.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021110220201 its reverse (1020220111201), we get a palindrome (2041330331402).

The spelling of 1021110220201 in words is "one trillion, twenty-one billion, one hundred ten million, two hundred twenty thousand, two hundred one".