1122001202121 has 8 divisors (see below), whose sum is σ = 1584001697184. Its totient is φ = 704000754240.

The previous prime is 1122001202041. The next prime is 1122001202123. The reversal of 1122001202121 is 1212021002211.

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

It is not a de Polignac number, because 1122001202121 - 2¹⁸ = 1122000939977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122001202121.

It is not an unprimeable number, because it can be changed into a prime (1122001202123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11000011735 + ... + 11000011836.

It is an arithmetic number, because the mean of its divisors is an integer number (198000212148).

Almost surely, 2^{1122001202121} is an apocalyptic number.

It is an amenable number.

1122001202121 is a deficient number, since it is larger than the sum of its proper divisors (462000495063).

1122001202121 is a wasteful number, since it uses less digits than its factorization.

1122001202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22000023591.

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

Adding to 1122001202121 its reverse (1212021002211), we get a palindrome (2334022204332).

The spelling of 1122001202121 in words is "one trillion, one hundred twenty-two billion, one million, two hundred two thousand, one hundred twenty-one".