121100011012 has 6 divisors (see below), whose sum is σ = 211925019278. Its totient is φ = 60550005504.

The previous prime is 121100010979. The next prime is 121100011051. The reversal of 121100011012 is 210110001121.

It can be written as a sum of positive squares in only one way, i.e., 74498427136 + 46601583876 = 272944^2 + 215874^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121100011012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15137501373 + ... + 15137501380.

Almost surely, 2^121100011012 is an apocalyptic number.

It is an amenable number.

121100011012 is a deficient number, since it is larger than the sum of its proper divisors (90825008266).

121100011012 is a wasteful number, since it uses less digits than its factorization.

121100011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30275002757 (or 30275002755 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121100011012 its reverse (210110001121), we get a palindrome (331210012133).

The spelling of 121100011012 in words is "one hundred twenty-one billion, one hundred million, eleven thousand, twelve".