211100101101010 has 128 divisors (see below), whose sum is σ = 419791701288960. Its totient is φ = 75792706214400.

The previous prime is 211100101100983. The next prime is 211100101101053. The reversal of 211100101101010 is 10101101001112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17189156070 + ... + 17189168350.

It is an arithmetic number, because the mean of its divisors is an integer number (3279622666320).

Almost surely, 2^{211100101101010} is an apocalyptic number.

211100101101010 is a deficient number, since it is larger than the sum of its proper divisors (208691600187950).

211100101101010 is a wasteful number, since it uses less digits than its factorization.

211100101101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16784.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 211100101101010 its reverse (10101101001112), we get a palindrome (221201202102122).

The spelling of 211100101101010 in words is "two hundred eleven trillion, one hundred billion, one hundred one million, one hundred one thousand, ten".