121213020101 has 8 divisors (see below), whose sum is σ = 128376017280. Its totient is φ = 114053669568.

The previous prime is 121213020091. The next prime is 121213020119. The reversal of 121213020101 is 101020312121.

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 121213020101 - 2⁶ = 121213020037 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 (121213020191) 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, 843071 + ... + 976316.

It is an arithmetic number, because the mean of its divisors is an integer number (16047002160).

Almost surely, 2^121213020101 is an apocalyptic number.

It is an amenable number.

121213020101 is a deficient number, since it is larger than the sum of its proper divisors (7162997179).

121213020101 is a wasteful number, since it uses less digits than its factorization.

121213020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823323.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121213020101 its reverse (101020312121), we get a palindrome (222233332222).

The spelling of 121213020101 in words is "one hundred twenty-one billion, two hundred thirteen million, twenty thousand, one hundred one".