121121202 has 32 divisors (see below), whose sum is σ = 251252352. Its totient is φ = 38893824.

The previous prime is 121121201. The next prime is 121121213. The reversal of 121121202 is 202121121.

It is not an unprimeable number, because it can be changed into a prime (121121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20218 + ... + 25514.

It is an arithmetic number, because the mean of its divisors is an integer number (7851636).

Almost surely, 2^121121202 is an apocalyptic number.

121121202 is an abundant number, since it is smaller than the sum of its proper divisors (130131150).

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

121121202 is a wasteful number, since it uses less digits than its factorization.

121121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5442.

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

The square root of 121121202 is about 11005.5078029140. The cubic root of 121121202 is about 494.7738340336.

Adding to 121121202 its reverse (202121121), we get a palindrome (323242323).

It can be divided in two parts, 121121 and 202, that multiplied together give a palindrome (24466442).

The spelling of 121121202 in words is "one hundred twenty-one million, one hundred twenty-one thousand, two hundred two".