121121001106 has 8 divisors (see below), whose sum is σ = 207636001920. Its totient is φ = 51909000468.

The previous prime is 121121001101. The next prime is 121121001173. The reversal of 121121001106 is 601100121121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121121001106.

It is not an unprimeable number, because it can be changed into a prime (121121001101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4325750026 + ... + 4325750053.

It is an arithmetic number, because the mean of its divisors is an integer number (25954500240).

Almost surely, 2^121121001106 is an apocalyptic number.

121121001106 is a deficient number, since it is larger than the sum of its proper divisors (86515000814).

121121001106 is an equidigital number, since it uses as much as digits as its factorization.

121121001106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8651500088.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121121001106 its reverse (601100121121), we get a palindrome (722221122227).

The spelling of 121121001106 in words is "one hundred twenty-one billion, one hundred twenty-one million, one thousand, one hundred six".