211020122099 has 8 divisors (see below), whose sum is σ = 211175948880. Its totient is φ = 210864349696.

The previous prime is 211020122083. The next prime is 211020122113. The reversal of 211020122099 is 990221020112.

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 211020122099 - 2⁴ = 211020122083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211020122029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10599947 + ... + 10619835.

It is an arithmetic number, because the mean of its divisors is an integer number (26396993610).

Almost surely, 2^211020122099 is an apocalyptic number.

211020122099 is a deficient number, since it is larger than the sum of its proper divisors (155826781).

211020122099 is a wasteful number, since it uses less digits than its factorization.

211020122099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27189.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 211020122099 in words is "two hundred eleven billion, twenty million, one hundred twenty-two thousand, ninety-nine".