1021122200201 has 4 divisors (see below), whose sum is σ = 1021127610900. Its totient is φ = 1021116789504.

The previous prime is 1021122200183. The next prime is 1021122200239. The reversal of 1021122200201 is 1020022211201.

1021122200201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 532834302025 + 488287898176 = 729955^2 + 698776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021122200201 is a prime.

It is a super-2 number, since 2×1021122200201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1021122200101) 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, 2411636 + ... + 2803253.

It is an arithmetic number, because the mean of its divisors is an integer number (255281902725).

Almost surely, 2^{1021122200201} is an apocalyptic number.

It is an amenable number.

1021122200201 is a deficient number, since it is larger than the sum of its proper divisors (5410699).

1021122200201 is an equidigital number, since it uses as much as digits as its factorization.

1021122200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410698.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021122200201 its reverse (1020022211201), we get a palindrome (2041144411402).

The spelling of 1021122200201 in words is "one trillion, twenty-one billion, one hundred twenty-two million, two hundred thousand, two hundred one".