121002221012 has 48 divisors (see below), whose sum is σ = 231613562880. Its totient is φ = 55100412000.

The previous prime is 121002220979. The next prime is 121002221051. The reversal of 121002221012 is 210122200121.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 185693 + ... + 525819.

It is an arithmetic number, because the mean of its divisors is an integer number (4825282560).

Almost surely, 2^121002221012 is an apocalyptic number.

It is an amenable number.

121002221012 is a deficient number, since it is larger than the sum of its proper divisors (110611341868).

121002221012 is a wasteful number, since it uses less digits than its factorization.

121002221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340332 (or 340330 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121002221012 its reverse (210122200121), we get a palindrome (331124421133).

The spelling of 121002221012 in words is "one hundred twenty-one billion, two million, two hundred twenty-one thousand, twelve".