121122201004 has 24 divisors (see below), whose sum is σ = 242251769088. Its totient is φ = 51907936080.

The previous prime is 121122200989. The next prime is 121122201059. The reversal of 121122201004 is 400102221121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783047 + ... + 1849729.

It is an arithmetic number, because the mean of its divisors is an integer number (10093823712).

Almost surely, 2^121122201004 is an apocalyptic number.

121122201004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121122201004 is an abundant number, since it is smaller than the sum of its proper divisors (121129568084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121122201004 is a wasteful number, since it uses less digits than its factorization.

121122201004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131565 (or 131563 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121122201004 its reverse (400102221121), we get a palindrome (521224422125).

The spelling of 121122201004 in words is "one hundred twenty-one billion, one hundred twenty-two million, two hundred one thousand, four".