121111001120202 has 64 divisors (see below), whose sum is σ = 257380299792000. Its totient is φ = 37919845474560.

The previous prime is 121111001120183. The next prime is 121111001120203. The reversal of 121111001120202 is 202021100111121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121111001120203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48344452 + ... + 50787872.

It is an arithmetic number, because the mean of its divisors is an integer number (4021567184250).

Almost surely, 2^{121111001120202} is an apocalyptic number.

121111001120202 is an abundant number, since it is smaller than the sum of its proper divisors (136269298671798).

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

121111001120202 is a wasteful number, since it uses less digits than its factorization.

121111001120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451191.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121111001120202 its reverse (202021100111121), we get a palindrome (323132101231323).

The spelling of 121111001120202 in words is "one hundred twenty-one trillion, one hundred eleven billion, one million, one hundred twenty thousand, two hundred two".