11212110012020 has 96 divisors (see below), whose sum is σ = 25227812413440. Its totient is φ = 4170748538880.

The previous prime is 11212110012011. The next prime is 11212110012029. The reversal of 11212110012020 is 2021001121211.

11212110012020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11212110012011) and next prime (11212110012029).

It is a super-2 number, since 2×11212110012020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212110011986 and 11212110012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212110012029) 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, 44386517 + ... + 44638403.

It is an arithmetic number, because the mean of its divisors is an integer number (262789712640).

Almost surely, 2^{11212110012020} is an apocalyptic number.

11212110012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212110012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12613906206720).

11212110012020 is an abundant number, since it is smaller than the sum of its proper divisors (14015702401420).

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

11212110012020 is a wasteful number, since it uses less digits than its factorization.

11212110012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253473 (or 253471 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11212110012020 its reverse (2021001121211), we get a palindrome (13233111133231).

The spelling of 11212110012020 in words is "eleven trillion, two hundred twelve billion, one hundred ten million, twelve thousand, twenty".