121220210002 has 16 divisors (see below), whose sum is σ = 184158777600. Its totient is φ = 59834174400.

The previous prime is 121220209997. The next prime is 121220210009. The reversal of 121220210002 is 200012022121.

It is a happy number.

121220210002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (121220210009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109274 + ... + 1213642.

It is an arithmetic number, because the mean of its divisors is an integer number (11509923600).

Almost surely, 2^121220210002 is an apocalyptic number.

121220210002 is a deficient number, since it is larger than the sum of its proper divisors (62938567598).

121220210002 is a wasteful number, since it uses less digits than its factorization.

121220210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111801.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121220210002 its reverse (200012022121), we get a palindrome (321232232123).

The spelling of 121220210002 in words is "one hundred twenty-one billion, two hundred twenty million, two hundred ten thousand, two".