11212020102020 has 48 divisors (see below), whose sum is σ = 23829945367536. Its totient is φ = 4430771520000.

The previous prime is 11212020102001. The next prime is 11212020102053. The reversal of 11212020102020 is 2020102021211.

It can be written as a sum of positive squares in 8 ways, for example, as 1829916329536 + 9382103772484 = 1352744^2 + 3063022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11212020101986 and 11212020102004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5088851 + ... + 6951290.

It is an arithmetic number, because the mean of its divisors is an integer number (496457195157).

Almost surely, 2^{11212020102020} is an apocalyptic number.

11212020102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212020102020 is an abundant number, since it is smaller than the sum of its proper divisors (12617925265516).

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

11212020102020 is a wasteful number, since it uses less digits than its factorization.

11212020102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040712 (or 12040710 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11212020102020 its reverse (2020102021211), we get a palindrome (13232122123231).

The spelling of 11212020102020 in words is "eleven trillion, two hundred twelve billion, twenty million, one hundred two thousand, twenty".