121210101212101 has 32 divisors (see below), whose sum is σ = 141523225474176. Its totient is φ = 102588218880000.

The previous prime is 121210101212093. The next prime is 121210101212119. The reversal of 121210101212101 is 101212101012121.

121210101212101 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a cyclic number.

It is not a de Polignac number, because 121210101212101 - 2³ = 121210101212093 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210101212131) 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, 17664541 + ... + 23546893.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600796068).

Almost surely, 2^{121210101212101} is an apocalyptic number.

121210101212101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121210101212101 is a deficient number, since it is larger than the sum of its proper divisors (20313124262075).

121210101212101 is a wasteful number, since it uses less digits than its factorization.

121210101212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883573.

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

Adding to 121210101212101 its reverse (101212101012121), we get a palindrome (222422202224222).

The spelling of 121210101212101 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred one million, two hundred twelve thousand, one hundred one".