211021010102 has 8 divisors (see below), whose sum is σ = 361750303056. Its totient is φ = 90437575752.

The previous prime is 211021010063. The next prime is 211021010141. The reversal of 211021010102 is 201010120112.

It is an interprime number because it is at equal distance from previous prime (211021010063) and next prime (211021010141).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7536464633 + ... + 7536464660.

It is an arithmetic number, because the mean of its divisors is an integer number (45218787882).

Almost surely, 2^211021010102 is an apocalyptic number.

211021010102 is a deficient number, since it is larger than the sum of its proper divisors (150729292954).

211021010102 is a wasteful number, since it uses less digits than its factorization.

211021010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15072929302.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211021010102 its reverse (201010120112), we get a palindrome (412031130214).

The spelling of 211021010102 in words is "two hundred eleven billion, twenty-one million, ten thousand, one hundred two".