211442103102 has 32 divisors (see below), whose sum is σ = 427475397888. Its totient is φ = 69717984896.

The previous prime is 211442103101. The next prime is 211442103121. The reversal of 211442103102 is 201301244112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211442103101) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31033 + ... + 651035.

It is an arithmetic number, because the mean of its divisors is an integer number (13358606184).

Almost surely, 2^211442103102 is an apocalyptic number.

211442103102 is an abundant number, since it is smaller than the sum of its proper divisors (216033294786).

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

211442103102 is a wasteful number, since it uses less digits than its factorization.

211442103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620624.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 211442103102 its reverse (201301244112), we get a palindrome (412743347214).

The spelling of 211442103102 in words is "two hundred eleven billion, four hundred forty-two million, one hundred three thousand, one hundred two".