11010211221012 has 24 divisors (see below), whose sum is σ = 25694654773536. Its totient is φ = 3669475846368.

The previous prime is 11010211221007. The next prime is 11010211221049. The reversal of 11010211221012 is 21012211201011.

It is a happy number.

It is a super-2 number, since 2×11010211221012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11010211220982 and 11010211221000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74242918 + ... + 74391069.

It is an arithmetic number, because the mean of its divisors is an integer number (1070610615564).

Almost surely, 2^{11010211221012} is an apocalyptic number.

11010211221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11010211221012 is an abundant number, since it is smaller than the sum of its proper divisors (14684443552524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11010211221012 is a wasteful number, since it uses less digits than its factorization.

11010211221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148640167 (or 148640165 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11010211221012 its reverse (21012211201011), we get a palindrome (32022422422023).

The spelling of 11010211221012 in words is "eleven trillion, ten billion, two hundred eleven million, two hundred twenty-one thousand, twelve".