1222220101121 has 8 divisors (see below), whose sum is σ = 1237143419904. Its totient is φ = 1207301491440.

The previous prime is 1222220101099. The next prime is 1222220101163. The reversal of 1222220101121 is 1211010222221.

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 1222220101121 - 2²² = 1222215906817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222220101121.

It is not an unprimeable number, because it can be changed into a prime (1224220101121) 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, 653606 + ... + 1694591.

It is an arithmetic number, because the mean of its divisors is an integer number (154642927488).

Almost surely, 2^{1222220101121} is an apocalyptic number.

It is an amenable number.

1222220101121 is a deficient number, since it is larger than the sum of its proper divisors (14923318783).

1222220101121 is an equidigital number, since it uses as much as digits as its factorization.

1222220101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354551.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1222220101121 its reverse (1211010222221), we get a palindrome (2433230323342).

The spelling of 1222220101121 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred one thousand, one hundred twenty-one".