121121211202 has 8 divisors (see below), whose sum is σ = 184170609036. Its totient is φ = 59731008192.

The previous prime is 121121211149. The next prime is 121121211221. The reversal of 121121211202 is 202112121121.

It can be written as a sum of positive squares in 2 ways, for example, as 117101524401 + 4019686801 = 342201^2 + 63401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414798523 + ... + 414798814.

Almost surely, 2^121121211202 is an apocalyptic number.

121121211202 is a deficient number, since it is larger than the sum of its proper divisors (63049397834).

121121211202 is an equidigital number, since it uses as much as digits as its factorization.

121121211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829597412.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121121211202 its reverse (202112121121), we get a palindrome (323233332323).

The spelling of 121121211202 in words is "one hundred twenty-one billion, one hundred twenty-one million, two hundred eleven thousand, two hundred two".