20110212220011 has 8 divisors (see below), whose sum is σ = 26813784442320. Its totient is φ = 13406724072192.

The previous prime is 20110212219971. The next prime is 20110212220013. The reversal of 20110212220011 is 11002221201102.

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

It is not a de Polignac number, because 20110212220011 - 2⁶ = 20110212219947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20110212220013) 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, 20458366 + ... + 21418803.

It is an arithmetic number, because the mean of its divisors is an integer number (3351723055290).

Almost surely, 2^{20110212220011} is an apocalyptic number.

20110212220011 is a deficient number, since it is larger than the sum of its proper divisors (6703572222309).

20110212220011 is a wasteful number, since it uses less digits than its factorization.

20110212220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42037245.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20110212220011 its reverse (11002221201102), we get a palindrome (31112433421113).

The spelling of 20110212220011 in words is "twenty trillion, one hundred ten billion, two hundred twelve million, two hundred twenty thousand, eleven".