211121222012099 has 32 divisors (see below), whose sum is σ = 242920339407360. Its totient is φ = 179734015049472.

The previous prime is 211121222012083. The next prime is 211121222012101. The reversal of 211121222012099 is 990210222121112.

It is a cyclic number.

It is not a de Polignac number, because 211121222012099 - 2⁴ = 211121222012083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211121222012039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7738183112 + ... + 7738210394.

It is an arithmetic number, because the mean of its divisors is an integer number (7591260606480).

Almost surely, 2^{211121222012099} is an apocalyptic number.

211121222012099 is a deficient number, since it is larger than the sum of its proper divisors (31799117395261).

211121222012099 is a wasteful number, since it uses less digits than its factorization.

211121222012099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33659.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 211121222012099 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred twenty-two million, twelve thousand, ninety-nine".