11021121010212 has 24 divisors (see below), whose sum is σ = 26099769160416. Its totient is φ = 3618875555328.

The previous prime is 11021121010199. The next prime is 11021121010217. The reversal of 11021121010212 is 21201012112011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11021121010191 and 11021121010200.

It is not an unprimeable number, because it can be changed into a prime (11021121010217) 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, 6853930173 + ... + 6853931780.

It is an arithmetic number, because the mean of its divisors is an integer number (1087490381684).

Almost surely, 2^{11021121010212} is an apocalyptic number.

11021121010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021121010212 is an abundant number, since it is smaller than the sum of its proper divisors (15078648150204).

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

11021121010212 is a wasteful number, since it uses less digits than its factorization.

11021121010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13707862027 (or 13707862025 counting only the distinct ones).

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

Adding to 11021121010212 its reverse (21201012112011), we get a palindrome (32222133122223).

The spelling of 11021121010212 in words is "eleven trillion, twenty-one billion, one hundred twenty-one million, ten thousand, two hundred twelve".