10211111011222 has 48 divisors (see below), whose sum is σ = 17640103335120. Its totient is φ = 4395656408000.

The previous prime is 10211111011217. The next prime is 10211111011229. The reversal of 10211111011222 is 22211011111201.

It is a junction number, because it is equal to n+sod(n) for n = 10211111011196 and 10211111011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211111011229) 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, 3168097 + ... + 5518972.

It is an arithmetic number, because the mean of its divisors is an integer number (367502152815).

Almost surely, 2^{10211111011222} is an apocalyptic number.

10211111011222 is a deficient number, since it is larger than the sum of its proper divisors (7428992323898).

10211111011222 is a wasteful number, since it uses less digits than its factorization.

10211111011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8687229 (or 8687206 counting only the distinct ones).

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

Adding to 10211111011222 its reverse (22211011111201), we get a palindrome (32422122122423).

The spelling of 10211111011222 in words is "ten trillion, two hundred eleven billion, one hundred eleven million, eleven thousand, two hundred twenty-two".