121120111002211 has 4 divisors (see below), whose sum is σ = 121121622193752. Its totient is φ = 121118599810672.

The previous prime is 121120111002157. The next prime is 121120111002223. The reversal of 121120111002211 is 112200111021121.

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 121120111002211 - 2¹⁹ = 121120110477923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121120111002271) 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, 755475541 + ... + 755635846.

It is an arithmetic number, because the mean of its divisors is an integer number (30280405548438).

Almost surely, 2^{121120111002211} is an apocalyptic number.

121120111002211 is a deficient number, since it is larger than the sum of its proper divisors (1511191541).

121120111002211 is an equidigital number, since it uses as much as digits as its factorization.

121120111002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511191540.

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

Adding to 121120111002211 its reverse (112200111021121), we get a palindrome (233320222023332).

The spelling of 121120111002211 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred eleven million, two thousand, two hundred eleven".