1222021101121 has 8 divisors (see below), whose sum is σ = 1290045034080. Its totient is φ = 1154367871488.

The previous prime is 1222021101097. The next prime is 1222021101131. The reversal of 1222021101121 is 1211011202221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222021101121 - 2¹¹ = 1222021099073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222021101095 and 1222021101104.

It is not an unprimeable number, because it can be changed into a prime (1222021101131) 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, 92669056 + ... + 92682241.

It is an arithmetic number, because the mean of its divisors is an integer number (161255629260).

Almost surely, 2^{1222021101121} is an apocalyptic number.

It is an amenable number.

1222021101121 is a deficient number, since it is larger than the sum of its proper divisors (68023932959).

1222021101121 is a wasteful number, since it uses less digits than its factorization.

1222021101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185351663.

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

Adding to 1222021101121 its reverse (1211011202221), we get a palindrome (2433032303342).

The spelling of 1222021101121 in words is "one trillion, two hundred twenty-two billion, twenty-one million, one hundred one thousand, one hundred twenty-one".