1022201010121 has 4 divisors (see below), whose sum is σ = 1022205744000. Its totient is φ = 1022196276244.

The previous prime is 1022201010119. The next prime is 1022201010139. The reversal of 1022201010121 is 1210101022201.

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 a cyclic number.

It is not a de Polignac number, because 1022201010121 - 2¹ = 1022201010119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022201010151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026741 + ... + 2480338.

It is an arithmetic number, because the mean of its divisors is an integer number (255551436000).

Almost surely, 2^{1022201010121} is an apocalyptic number.

It is an amenable number.

1022201010121 is a deficient number, since it is larger than the sum of its proper divisors (4733879).

1022201010121 is an equidigital number, since it uses as much as digits as its factorization.

1022201010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733878.

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

Adding to 1022201010121 its reverse (1210101022201), we get a palindrome (2232302032322).

The spelling of 1022201010121 in words is "one trillion, twenty-two billion, two hundred one million, ten thousand, one hundred twenty-one".