121011112002211 has 4 divisors (see below), whose sum is σ = 122817248002312. Its totient is φ = 119204976002112.

The previous prime is 121011112002203. The next prime is 121011112002217. The reversal of 121011112002211 is 112200211110121.

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 121011112002211 - 2³ = 121011112002203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011112002217) 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, 903067999950 + ... + 903068000083.

It is an arithmetic number, because the mean of its divisors is an integer number (30704312000578).

Almost surely, 2^{121011112002211} is an apocalyptic number.

121011112002211 is a deficient number, since it is larger than the sum of its proper divisors (1806136000101).

121011112002211 is an equidigital number, since it uses as much as digits as its factorization.

121011112002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806136000100.

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

Adding to 121011112002211 its reverse (112200211110121), we get a palindrome (233211323112332).

The spelling of 121011112002211 in words is "one hundred twenty-one trillion, eleven billion, one hundred twelve million, two thousand, two hundred eleven".