1022021001121 has 16 divisors (see below), whose sum is σ = 1058619944448. Its totient is φ = 985650768000.

The previous prime is 1022021001109. The next prime is 1022021001143. The reversal of 1022021001121 is 1211001202201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022021001121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022021001161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39796341 + ... + 39822013.

It is an arithmetic number, because the mean of its divisors is an integer number (66163746528).

Almost surely, 2^{1022021001121} is an apocalyptic number.

It is an amenable number.

1022021001121 is a deficient number, since it is larger than the sum of its proper divisors (36598943327).

1022021001121 is a wasteful number, since it uses less digits than its factorization.

1022021001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30072.

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

Adding to 1022021001121 its reverse (1211001202201), we get a palindrome (2233022203322).

The spelling of 1022021001121 in words is "one trillion, twenty-two billion, twenty-one million, one thousand, one hundred twenty-one".