121211201101101 has 8 divisors (see below), whose sum is σ = 168641671097280. Its totient is φ = 77294099252832.

The previous prime is 121211201101037. The next prime is 121211201101117. The reversal of 121211201101101 is 101101102112121.

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

It is not a de Polignac number, because 121211201101101 - 2⁶ = 121211201101037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121211201101301) 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, 878342036896 + ... + 878342037033.

It is an arithmetic number, because the mean of its divisors is an integer number (21080208887160).

Almost surely, 2^{121211201101101} is an apocalyptic number.

It is an amenable number.

121211201101101 is a deficient number, since it is larger than the sum of its proper divisors (47430469996179).

121211201101101 is a wasteful number, since it uses less digits than its factorization.

121211201101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756684073955.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 121211201101101 its reverse (101101102112121), we get a palindrome (222312303213222).

The spelling of 121211201101101 in words is "one hundred twenty-one trillion, two hundred eleven billion, two hundred one million, one hundred one thousand, one hundred one".