1122021201121 has 8 divisors (see below), whose sum is σ = 1123788960320. Its totient is φ = 1120254568272.

The previous prime is 1122021201101. The next prime is 1122021201137. The reversal of 1122021201121 is 1211021202211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122021201121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122021201095 and 1122021201104.

It is not an unprimeable number, because it can be changed into a prime (1122021201101) 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, 1723516 + ... + 2283538.

It is an arithmetic number, because the mean of its divisors is an integer number (140473620040).

Almost surely, 2^{1122021201121} is an apocalyptic number.

It is an amenable number.

1122021201121 is a deficient number, since it is larger than the sum of its proper divisors (1767759199).

1122021201121 is an equidigital number, since it uses as much as digits as its factorization.

1122021201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563175.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122021201121 its reverse (1211021202211), we get a palindrome (2333042403332).

The spelling of 1122021201121 in words is "one trillion, one hundred twenty-two billion, twenty-one million, two hundred one thousand, one hundred twenty-one".