121100220002 has 16 divisors (see below), whose sum is σ = 182087136000. Its totient is φ = 60404570640.

The previous prime is 121100219963. The next prime is 121100220071. The reversal of 121100220002 is 200022001121.

It is a happy number.

121100220002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688399 + ... + 4714157.

It is an arithmetic number, because the mean of its divisors is an integer number (11380446000).

Almost surely, 2^121100220002 is an apocalyptic number.

121100220002 is a deficient number, since it is larger than the sum of its proper divisors (60986915998).

121100220002 is a wasteful number, since it uses less digits than its factorization.

121100220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31321.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 121100220002 its reverse (200022001121), we get a palindrome (321122221123).

The spelling of 121100220002 in words is "one hundred twenty-one billion, one hundred million, two hundred twenty thousand, two".