11221010211012 has 96 divisors (see below), whose sum is σ = 30951627168000. Its totient is φ = 3162084984576.

The previous prime is 11221010211011. The next prime is 11221010211017. The reversal of 11221010211012 is 21011201012211.

It is a happy number.

It is a super-2 number, since 2×11221010211012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221010210982 and 11221010211000.

It is not an unprimeable number, because it can be changed into a prime (11221010211011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18372087 + ... + 18973022.

It is an arithmetic number, because the mean of its divisors is an integer number (322412783000).

Almost surely, 2^{11221010211012} is an apocalyptic number.

11221010211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11221010211012 is an abundant number, since it is smaller than the sum of its proper divisors (19730616956988).

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

11221010211012 is a wasteful number, since it uses less digits than its factorization.

11221010211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37345210 (or 37345194 counting only the distinct ones).

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

Adding to 11221010211012 its reverse (21011201012211), we get a palindrome (32232211223223).

The spelling of 11221010211012 in words is "eleven trillion, two hundred twenty-one billion, ten million, two hundred eleven thousand, twelve".