20011210220099 has 64 divisors (see below), whose sum is σ = 25024281772032. Its totient is φ = 15614174822400.

The previous prime is 20011210220081. The next prime is 20011210220119. The reversal of 20011210220099 is 99002201211002.

It is not a de Polignac number, because 20011210220099 - 2¹² = 20011210216003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011210220039) 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 63 ways as a sum of consecutive naturals, for example, 197343299 + ... + 197444675.

It is an arithmetic number, because the mean of its divisors is an integer number (391004402688).

Almost surely, 2^{20011210220099} is an apocalyptic number.

20011210220099 is a deficient number, since it is larger than the sum of its proper divisors (5013071551933).

20011210220099 is a wasteful number, since it uses less digits than its factorization.

20011210220099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101916.

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

The spelling of 20011210220099 in words is "twenty trillion, eleven billion, two hundred ten million, two hundred twenty thousand, ninety-nine".