1001021022201 has 4 divisors (see below), whose sum is σ = 1334694696272. Its totient is φ = 667347348132.

The previous prime is 1001021022167. The next prime is 1001021022233. The reversal of 1001021022201 is 1022201201001.

1001021022201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1001021022201 - 2⁶ = 1001021022137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001021022101) 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, 166836837031 + ... + 166836837036.

It is an arithmetic number, because the mean of its divisors is an integer number (333673674068).

Almost surely, 2^{1001021022201} is an apocalyptic number.

It is an amenable number.

1001021022201 is a deficient number, since it is larger than the sum of its proper divisors (333673674071).

1001021022201 is an equidigital number, since it uses as much as digits as its factorization.

1001021022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333673674070.

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

Adding to 1001021022201 its reverse (1022201201001), we get a palindrome (2023222223202).

The spelling of 1001021022201 in words is "one trillion, one billion, twenty-one million, twenty-two thousand, two hundred one".