121201100202 has 64 divisors (see below), whose sum is σ = 303232091904. Its totient is φ = 31441098240.

The previous prime is 121201100147. The next prime is 121201100227. The reversal of 121201100202 is 202001102121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1786203 + ... + 1852814.

It is an arithmetic number, because the mean of its divisors is an integer number (4738001436).

Almost surely, 2^121201100202 is an apocalyptic number.

121201100202 is an abundant number, since it is smaller than the sum of its proper divisors (182030991702).

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

121201100202 is a wasteful number, since it uses less digits than its factorization.

121201100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639103.

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

Adding to 121201100202 its reverse (202001102121), we get a palindrome (323202202323).

The spelling of 121201100202 in words is "one hundred twenty-one billion, two hundred one million, one hundred thousand, two hundred two".