20122011211099 has 8 divisors (see below), whose sum is σ = 22996807938560. Its totient is φ = 17247270407976.

The previous prime is 20122011211091. The next prime is 20122011211139. The reversal of 20122011211099 is 99011211022102.

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

It is not a de Polignac number, because 20122011211099 - 2³ = 20122011211091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122011211099.

It is not an unprimeable number, because it can be changed into a prime (20122011211091) 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, 13207209 + ... + 14651770.

It is an arithmetic number, because the mean of its divisors is an integer number (2874600992320).

Almost surely, 2^{20122011211099} is an apocalyptic number.

20122011211099 is a deficient number, since it is larger than the sum of its proper divisors (2874796727461).

20122011211099 is a wasteful number, since it uses less digits than its factorization.

20122011211099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27962169.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 20122011211099 in words is "twenty trillion, one hundred twenty-two billion, eleven million, two hundred eleven thousand, ninety-nine".