121202020010111 has 8 divisors (see below), whose sum is σ = 122336539961040. Its totient is φ = 120067533222208.

The previous prime is 121202020010051. The next prime is 121202020010119. The reversal of 121202020010111 is 111010020202121.

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 121202020010111 - 2⁶ = 121202020010047 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 (121202020010119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916526 + ... + 15596283.

It is an arithmetic number, because the mean of its divisors is an integer number (15292067495130).

Almost surely, 2^{121202020010111} is an apocalyptic number.

121202020010111 is a deficient number, since it is larger than the sum of its proper divisors (1134519950929).

121202020010111 is a wasteful number, since it uses less digits than its factorization.

121202020010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16581513.

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

Adding to 121202020010111 its reverse (111010020202121), we get a palindrome (232212040212232).

The spelling of 121202020010111 in words is "one hundred twenty-one trillion, two hundred two billion, twenty million, ten thousand, one hundred eleven".