20211011011210 has 8 divisors (see below), whose sum is σ = 36379819820196. Its totient is φ = 8084404404480.

The previous prime is 20211011011159. The next prime is 20211011011211. The reversal of 20211011011210 is 1211011011202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19652614998129 + 558396013081 = 4433127^2 + 747259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20211011011211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010550550551 + ... + 1010550550570.

Almost surely, 2^{20211011011210} is an apocalyptic number.

20211011011210 is a deficient number, since it is larger than the sum of its proper divisors (16168808808986).

20211011011210 is a wasteful number, since it uses less digits than its factorization.

20211011011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021101101128.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20211011011210 its reverse (1211011011202), we get a palindrome (21422022022412).

The spelling of 20211011011210 in words is "twenty trillion, two hundred eleven billion, eleven million, eleven thousand, two hundred ten".