121111022201 has 8 divisors (see below), whose sum is σ = 131693540160. Its totient is φ = 110709402192.

The previous prime is 121111022189. The next prime is 121111022203. The reversal of 121111022201 is 102220111121.

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

It is a cyclic number.

It is not a de Polignac number, because 121111022201 - 2¹⁰ = 121111021177 is a prime.

It is a super-2 number, since 2×121111022201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121111022203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45223091 + ... + 45225768.

It is an arithmetic number, because the mean of its divisors is an integer number (16461692520).

Almost surely, 2^121111022201 is an apocalyptic number.

It is an amenable number.

121111022201 is a deficient number, since it is larger than the sum of its proper divisors (10582517959).

121111022201 is a wasteful number, since it uses less digits than its factorization.

121111022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90448975.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121111022201 its reverse (102220111121), we get a palindrome (223331133322).

The spelling of 121111022201 in words is "one hundred twenty-one billion, one hundred eleven million, twenty-two thousand, two hundred one".