121122001002 has 32 divisors (see below), whose sum is σ = 255011051520. Its totient is φ = 38246448240.

The previous prime is 121122000991. The next prime is 121122001037. The reversal of 121122001002 is 200100221121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2309127 + ... + 2360997.

It is an arithmetic number, because the mean of its divisors is an integer number (7969095360).

Almost surely, 2^121122001002 is an apocalyptic number.

121122001002 is an abundant number, since it is smaller than the sum of its proper divisors (133889050518).

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

121122001002 is a wasteful number, since it uses less digits than its factorization.

121122001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72378.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121122001002 its reverse (200100221121), we get a palindrome (321222222123).

The spelling of 121122001002 in words is "one hundred twenty-one billion, one hundred twenty-two million, one thousand, two".