11231212020210 has 384 divisors, whose sum is σ = 36345612925440. Its totient is φ = 2342958317568.

The previous prime is 11231212020191. The next prime is 11231212020221. The reversal of 11231212020210 is 1202021213211.

11231212020210 is a `hidden beast` number, since 1 + 1 + 2 + 312 + 120 + 20 + 210 = 666.

It is a super-2 number, since 2×11231212020210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 892138596 + ... + 892151184.

It is an arithmetic number, because the mean of its divisors is an integer number (94650033660).

Almost surely, 2^{11231212020210} is an apocalyptic number.

11231212020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231212020210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18172806462720).

11231212020210 is an abundant number, since it is smaller than the sum of its proper divisors (25114400905230).

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

11231212020210 is a wasteful number, since it uses less digits than its factorization.

11231212020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13842 (or 13839 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11231212020210 its reverse (1202021213211), we get a palindrome (12433233233421).

The spelling of 11231212020210 in words is "eleven trillion, two hundred thirty-one billion, two hundred twelve million, twenty thousand, two hundred ten".