1022011201121 has 4 divisors (see below), whose sum is σ = 1027146936000. Its totient is φ = 1016875466244.

The previous prime is 1022011201111. The next prime is 1022011201219. The reversal of 1022011201121 is 1211021102201.

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 1022011201121 - 2³⁴ = 1004831331937 is a prime.

It is a super-2 number, since 2×1022011201121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022011201096 and 1022011201105.

It is not an unprimeable number, because it can be changed into a prime (1022011201111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567867141 + ... + 2567867538.

It is an arithmetic number, because the mean of its divisors is an integer number (256786734000).

Almost surely, 2^{1022011201121} is an apocalyptic number.

It is an amenable number.

1022011201121 is a deficient number, since it is larger than the sum of its proper divisors (5135734879).

1022011201121 is an equidigital number, since it uses as much as digits as its factorization.

1022011201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135734878.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022011201121 its reverse (1211021102201), we get a palindrome (2233032303322).

The spelling of 1022011201121 in words is "one trillion, twenty-two billion, eleven million, two hundred one thousand, one hundred twenty-one".