121200110202 has 16 divisors (see below), whose sum is σ = 248037435360. Its totient is φ = 39460500912.

The previous prime is 121200110117. The next prime is 121200110219. The reversal of 121200110202 is 202011002121.

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, 234883677 + ... + 234884192.

It is an arithmetic number, because the mean of its divisors is an integer number (15502339710).

Almost surely, 2^121200110202 is an apocalyptic number.

121200110202 is an abundant number, since it is smaller than the sum of its proper divisors (126837325158).

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

121200110202 is a wasteful number, since it uses less digits than its factorization.

121200110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469767917.

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

Adding to 121200110202 its reverse (202011002121), we get a palindrome (323211112323).

The spelling of 121200110202 in words is "one hundred twenty-one billion, two hundred million, one hundred ten thousand, two hundred two".