211211010002011 has 8 divisors (see below), whose sum is σ = 212530766780304. Its totient is φ = 209891545708320.

The previous prime is 211211010002009. The next prime is 211211010002023. The reversal of 211211010002011 is 110200010112112.

It is a happy number.

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 211211010002011 - 2¹ = 211211010002009 is a prime.

It is a super-2 number, since 2×211211010002011² (a number of 29 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 = 211211010001982 and 211211010002000.

It is not an unprimeable number, because it can be changed into a prime (211211010003011) 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, 71672296 + ... + 74560981.

It is an arithmetic number, because the mean of its divisors is an integer number (26566345847538).

Almost surely, 2^{211211010002011} is an apocalyptic number.

211211010002011 is a deficient number, since it is larger than the sum of its proper divisors (1319756778293).

211211010002011 is a wasteful number, since it uses less digits than its factorization.

211211010002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146242301.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211211010002011 its reverse (110200010112112), we get a palindrome (321411020114123).

The spelling of 211211010002011 in words is "two hundred eleven trillion, two hundred eleven billion, ten million, two thousand, eleven".