121100021212202 has 32 divisors (see below), whose sum is σ = 199840266270720. Its totient is φ = 54782161101360.

The previous prime is 121100021212199. The next prime is 121100021212273. The reversal of 121100021212202 is 202212120001121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109241198 + ... + 110344185.

It is an arithmetic number, because the mean of its divisors is an integer number (6245008320960).

Almost surely, 2^{121100021212202} is an apocalyptic number.

121100021212202 is a deficient number, since it is larger than the sum of its proper divisors (78740245058518).

121100021212202 is a wasteful number, since it uses less digits than its factorization.

121100021212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219586058.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121100021212202 its reverse (202212120001121), we get a palindrome (323312141213323).

The spelling of 121100021212202 in words is "one hundred twenty-one trillion, one hundred billion, twenty-one million, two hundred twelve thousand, two hundred two".