211022022011 has 8 divisors (see below), whose sum is σ = 213262183344. Its totient is φ = 208783180800.

The previous prime is 211022021953. The next prime is 211022022017. The reversal of 211022022011 is 110220220112.

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

It is a cyclic number.

It is not a de Polignac number, because 211022022011 - 2²² = 211017827707 is a prime.

It is a super-2 number, since 2×211022022011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211022022017) 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, 6965 + ... + 649686.

It is an arithmetic number, because the mean of its divisors is an integer number (26657772918).

Almost surely, 2^211022022011 is an apocalyptic number.

211022022011 is a deficient number, since it is larger than the sum of its proper divisors (2240161333).

211022022011 is an equidigital number, since it uses as much as digits as its factorization.

211022022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660061.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211022022011 its reverse (110220220112), we get a palindrome (321242242123).

It can be divided in two parts, 2 and 11022022011, that multiplied together give a palindrome (22044044022).

The spelling of 211022022011 in words is "two hundred eleven billion, twenty-two million, twenty-two thousand, eleven".