211011012010 has 8 divisors (see below), whose sum is σ = 379819821636. Its totient is φ = 84404404800.

The previous prime is 211011011999. The next prime is 211011012011. The reversal of 211011012010 is 10210110112.

It can be written as a sum of positive squares in 2 ways, for example, as 189091913409 + 21919098601 = 434847^2 + 148051^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 21101101201 = 211011012010 / (2 + 1 + 1 + 0 + 1 + 1 + 0 + 1 + 2 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (211011012011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10550550591 + ... + 10550550610.

Almost surely, 2^211011012010 is an apocalyptic number.

211011012010 is a deficient number, since it is larger than the sum of its proper divisors (168808809626).

211011012010 is a wasteful number, since it uses less digits than its factorization.

211011012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21101101208.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211011012010 its reverse (10210110112), we get a palindrome (221221122122).

The spelling of 211011012010 in words is "two hundred eleven billion, eleven million, twelve thousand, ten".