121222122101011 has 8 divisors (see below), whose sum is σ = 122219192334960. Its totient is φ = 120226837133568.

The previous prime is 121222122100993. The next prime is 121222122101023. The reversal of 121222122101011 is 110101221222121.

It is a happy number.

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-121222122101011 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 121222122101011.

It is not an unprimeable number, because it can be changed into a prime (121222122101611) 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, 446180266 + ... + 446451871.

It is an arithmetic number, because the mean of its divisors is an integer number (15277399041870).

Almost surely, 2^{121222122101011} is an apocalyptic number.

121222122101011 is a deficient number, since it is larger than the sum of its proper divisors (997070233949).

121222122101011 is an equidigital number, since it uses as much as digits as its factorization.

121222122101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892633253.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121222122101011 its reverse (110101221222121), we get a palindrome (231323343323132).

The spelling of 121222122101011 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred one thousand, eleven".