121002122002211 has 8 divisors (see below), whose sum is σ = 128124129377664. Its totient is φ = 113880585237120.

The previous prime is 121002122002159. The next prime is 121002122002231. The reversal of 121002122002211 is 112200221200121.

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 121002122002211 - 2⁶ = 121002122002147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 121002122002211.

It is not an unprimeable number, because it can be changed into a prime (121002122002231) 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, 117123155 + ... + 118151756.

It is an arithmetic number, because the mean of its divisors is an integer number (16015516172208).

Almost surely, 2^{121002122002211} is an apocalyptic number.

121002122002211 is a deficient number, since it is larger than the sum of its proper divisors (7122007375453).

121002122002211 is a wasteful number, since it uses less digits than its factorization.

121002122002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235305181.

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

Adding to 121002122002211 its reverse (112200221200121), we get a palindrome (233202343202332).

The spelling of 121002122002211 in words is "one hundred twenty-one trillion, two billion, one hundred twenty-two million, two thousand, two hundred eleven".