211222001011 has 8 divisors (see below), whose sum is σ = 242877534464. Its totient is φ = 179936708040.

The previous prime is 211222000963. The next prime is 211222001021. The reversal of 211222001011 is 110100222112.

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 211222001011 - 2¹⁹ = 211221476723 is a prime.

It is a super-2 number, since 2×211222001011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211222000982 and 211222001000.

It is not an unprimeable number, because it can be changed into a prime (211222001021) 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, 92558895 + ... + 92561176.

It is an arithmetic number, because the mean of its divisors is an integer number (30359691808).

Almost surely, 2^211222001011 is an apocalyptic number.

211222001011 is a deficient number, since it is larger than the sum of its proper divisors (31655533453).

211222001011 is a wasteful number, since it uses less digits than its factorization.

211222001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185120241.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211222001011 its reverse (110100222112), we get a palindrome (321322223123).

The spelling of 211222001011 in words is "two hundred eleven billion, two hundred twenty-two million, one thousand, eleven".