1011022100201 has 4 divisors (see below), whose sum is σ = 1015437044100. Its totient is φ = 1006607156304.

The previous prime is 1011022100173. The next prime is 1011022100243. The reversal of 1011022100201 is 1020012201101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 656164801600 + 354857298601 = 810040^2 + 595699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011022100201 - 2¹⁰ = 1011022099177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011022100401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207471606 + ... + 2207472063.

It is an arithmetic number, because the mean of its divisors is an integer number (253859261025).

Almost surely, 2^{1011022100201} is an apocalyptic number.

It is an amenable number.

1011022100201 is a deficient number, since it is larger than the sum of its proper divisors (4414943899).

1011022100201 is an equidigital number, since it uses as much as digits as its factorization.

1011022100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414943898.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011022100201 its reverse (1020012201101), we get a palindrome (2031034301302).

The spelling of 1011022100201 in words is "one trillion, eleven billion, twenty-two million, one hundred thousand, two hundred one".