11222220102121 has 8 divisors (see below), whose sum is σ = 12825449247680. Its totient is φ = 9619004667888.

The previous prime is 11222220102017. The next prime is 11222220102143. The reversal of 11222220102121 is 12120102222211.

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

It is not a de Polignac number, because 11222220102121 - 2²³ = 11222211713513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222220103121) 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, 1609686 + ... + 5003551.

It is an arithmetic number, because the mean of its divisors is an integer number (1603181155960).

Almost surely, 2^{11222220102121} is an apocalyptic number.

It is an amenable number.

11222220102121 is a deficient number, since it is larger than the sum of its proper divisors (1603229145559).

11222220102121 is an equidigital number, since it uses as much as digits as its factorization.

11222220102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855663.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222220102121 its reverse (12120102222211), we get a palindrome (23342322324332).

The spelling of 11222220102121 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty million, one hundred two thousand, one hundred twenty-one".