121120222211 has 8 divisors (see below), whose sum is σ = 121745164464. Its totient is φ = 120495382560.

The previous prime is 121120222207. The next prime is 121120222243. The reversal of 121120222211 is 112222021121.

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 121120222211 - 2² = 121120222207 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 121120222211.

It is not an unprimeable number, because it can be changed into a prime (121120222261) 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, 3802196 + ... + 3833918.

It is an arithmetic number, because the mean of its divisors is an integer number (15218145558).

Almost surely, 2^121120222211 is an apocalyptic number.

121120222211 is a deficient number, since it is larger than the sum of its proper divisors (624942253).

121120222211 is a wasteful number, since it uses less digits than its factorization.

121120222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51301.

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

Adding to 121120222211 its reverse (112222021121), we get a palindrome (233342243332).

The spelling of 121120222211 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, two hundred eleven".