20112220001211 has 8 divisors (see below), whose sum is σ = 28879085130000. Its totient is φ = 12376750769952.

The previous prime is 20112220001189. The next prime is 20112220001261. The reversal of 20112220001211 is 11210002221102.

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

It is not a de Polignac number, because 20112220001211 - 2⁶ = 20112220001147 is a prime.

It is a super-2 number, since 2×20112220001211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20112220001261) 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, 257848974336 + ... + 257848974413.

It is an arithmetic number, because the mean of its divisors is an integer number (3609885641250).

Almost surely, 2^{20112220001211} is an apocalyptic number.

20112220001211 is a deficient number, since it is larger than the sum of its proper divisors (8766865128789).

20112220001211 is a wasteful number, since it uses less digits than its factorization.

20112220001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515697948765.

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

Adding to 20112220001211 its reverse (11210002221102), we get a palindrome (31322222222313).

The spelling of 20112220001211 in words is "twenty trillion, one hundred twelve billion, two hundred twenty million, one thousand, two hundred eleven".