121201101106 has 16 divisors (see below), whose sum is σ = 188554181400. Its totient is φ = 58360451968.

The previous prime is 121201101103. The next prime is 121201101113. The reversal of 121201101106 is 601101102121.

It can be written as a sum of positive squares in 4 ways, for example, as 116547814881 + 4653286225 = 341391^2 + 68215^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121201101106.

It is not an unprimeable number, because it can be changed into a prime (121201101101) 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, 2663395 + ... + 2708518.

Almost surely, 2^121201101106 is an apocalyptic number.

121201101106 is a deficient number, since it is larger than the sum of its proper divisors (67353080294).

121201101106 is a wasteful number, since it uses less digits than its factorization.

121201101106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372333.

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

Adding to 121201101106 its reverse (601101102121), we get a palindrome (722302203227).

The spelling of 121201101106 in words is "one hundred twenty-one billion, two hundred one million, one hundred one thousand, one hundred six".