121100022211 has 8 divisors (see below), whose sum is σ = 144417417984. Its totient is φ = 99286974600.

The previous prime is 121100022203. The next prime is 121100022283. The reversal of 121100022211 is 112220001121.

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

It is a cyclic number.

It is not a de Polignac number, because 121100022211 - 2³ = 121100022203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121100022191 and 121100022200.

It is not an unprimeable number, because it can be changed into a prime (121100022811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376086865 + ... + 376087186.

It is an arithmetic number, because the mean of its divisors is an integer number (18052177248).

Almost surely, 2^121100022211 is an apocalyptic number.

121100022211 is a deficient number, since it is larger than the sum of its proper divisors (23317395773).

121100022211 is an equidigital number, since it uses as much as digits as its factorization.

121100022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752174081.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121100022211 its reverse (112220001121), we get a palindrome (233320023332).

The spelling of 121100022211 in words is "one hundred twenty-one billion, one hundred million, twenty-two thousand, two hundred eleven".