121102102212211 has 4 divisors (see below), whose sum is σ = 121106787582672. Its totient is φ = 121097416841752.

The previous prime is 121102102212209. The next prime is 121102102212257. The reversal of 121102102212211 is 112212201201121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121102102212211 - 2¹ = 121102102212209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102102272211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342646460 + ... + 2342698153.

It is an arithmetic number, because the mean of its divisors is an integer number (30276696895668).

Almost surely, 2^{121102102212211} is an apocalyptic number.

121102102212211 is a deficient number, since it is larger than the sum of its proper divisors (4685370461).

121102102212211 is an equidigital number, since it uses as much as digits as its factorization.

121102102212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685370460.

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

Adding to 121102102212211 its reverse (112212201201121), we get a palindrome (233314303413332).

The spelling of 121102102212211 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred two million, two hundred twelve thousand, two hundred eleven".