211211000221101 has 8 divisors (see below), whose sum is σ = 282399108932160. Its totient is φ = 140415112495392.

The previous prime is 211211000221099. The next prime is 211211000221147. The reversal of 211211000221101 is 101122000112112.

It is a happy number.

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

It is not a de Polignac number, because 211211000221101 - 2¹ = 211211000221099 is a prime.

It is a super-2 number, since 2×211211000221101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211211000221301) 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, 98055245080 + ... + 98055247233.

It is an arithmetic number, because the mean of its divisors is an integer number (35299888616520).

Almost surely, 2^{211211000221101} is an apocalyptic number.

It is an amenable number.

211211000221101 is a deficient number, since it is larger than the sum of its proper divisors (71188108711059).

211211000221101 is a wasteful number, since it uses less digits than its factorization.

211211000221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196110492675.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211211000221101 its reverse (101122000112112), we get a palindrome (312333000333213).

The spelling of 211211000221101 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred twenty-one thousand, one hundred one".