121012212212101 has 8 divisors (see below), whose sum is σ = 138300213101184. Its totient is φ = 103724346823440.

The previous prime is 121012212212093. The next prime is 121012212212119. The reversal of 121012212212101 is 101212212210121.

It is a happy number.

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

It is not a de Polignac number, because 121012212212101 - 2³ = 121012212212093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012212212501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31954105 + ... + 35539966.

It is an arithmetic number, because the mean of its divisors is an integer number (17287526637648).

Almost surely, 2^{121012212212101} is an apocalyptic number.

It is an amenable number.

121012212212101 is a deficient number, since it is larger than the sum of its proper divisors (17288000889083).

121012212212101 is an equidigital number, since it uses as much as digits as its factorization.

121012212212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67750211.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121012212212101 its reverse (101212212210121), we get a palindrome (222224424422222).

The spelling of 121012212212101 in words is "one hundred twenty-one trillion, twelve billion, two hundred twelve million, two hundred twelve thousand, one hundred one".