11212121202010 has 32 divisors (see below), whose sum is σ = 20384339876352. Its totient is φ = 4439855428800.

The previous prime is 11212121201999. The next prime is 11212121202017. The reversal of 11212121202010 is 1020212121211.

It is not an unprimeable number, because it can be changed into a prime (11212121202017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6926857 + ... + 8390803.

It is an arithmetic number, because the mean of its divisors is an integer number (637010621136).

Almost surely, 2^{11212121202010} is an apocalyptic number.

11212121202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212121202010 is a deficient number, since it is larger than the sum of its proper divisors (9172218674342).

11212121202010 is a wasteful number, since it uses less digits than its factorization.

11212121202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471638.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11212121202010 its reverse (1020212121211), we get a palindrome (12232333323221).

The spelling of 11212121202010 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-one million, two hundred two thousand, ten".