121222021202 has 16 divisors (see below), whose sum is σ = 183805332192. Its totient is φ = 59955262080.

The previous prime is 121222021199. The next prime is 121222021231. The reversal of 121222021202 is 202120222121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276824 + ... + 564867.

It is an arithmetic number, because the mean of its divisors is an integer number (11487833262).

Almost surely, 2^121222021202 is an apocalyptic number.

121222021202 is a deficient number, since it is larger than the sum of its proper divisors (62583310990).

121222021202 is a wasteful number, since it uses less digits than its factorization.

121222021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842473.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121222021202 its reverse (202120222121), we get a palindrome (323342243323).

The spelling of 121222021202 in words is "one hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, two hundred two".