11001212202211 has 24 divisors (see below), whose sum is σ = 13961199811824. Its totient is φ = 8572079738880.

The previous prime is 11001212202193. The next prime is 11001212202221. The reversal of 11001212202211 is 11220221210011.

It is not a de Polignac number, because 11001212202211 - 2¹¹ = 11001212200163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001212202221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16134051 + ... + 16802083.

It is an arithmetic number, because the mean of its divisors is an integer number (581716658826).

Almost surely, 2^{11001212202211} is an apocalyptic number.

11001212202211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11001212202211 is a deficient number, since it is larger than the sum of its proper divisors (2959987609613).

11001212202211 is a wasteful number, since it uses less digits than its factorization.

11001212202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698611 (or 698604 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11001212202211 its reverse (11220221210011), we get a palindrome (22221433412222).

The spelling of 11001212202211 in words is "eleven trillion, one billion, two hundred twelve million, two hundred two thousand, two hundred eleven".