1022211020121 has 8 divisors (see below), whose sum is σ = 1363030931520. Its totient is φ = 681432561072.

The previous prime is 1022211020111. The next prime is 1022211020183. The reversal of 1022211020121 is 1210201122201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022211020121 - 2¹⁰ = 1022211019097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1022211020121.

It is not an unprimeable number, because it can be changed into a prime (1022211020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10305501 + ... + 10404218.

It is an arithmetic number, because the mean of its divisors is an integer number (170378866440).

Almost surely, 2^{1022211020121} is an apocalyptic number.

It is an amenable number.

1022211020121 is a deficient number, since it is larger than the sum of its proper divisors (340819911399).

1022211020121 is a wasteful number, since it uses less digits than its factorization.

1022211020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20726175.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1022211020121 its reverse (1210201122201), we get a palindrome (2232412142322).

The spelling of 1022211020121 in words is "one trillion, twenty-two billion, two hundred eleven million, twenty thousand, one hundred twenty-one".