211020010102 has 32 divisors (see below), whose sum is σ = 347329814400. Its totient is φ = 95356166400.

The previous prime is 211020010093. The next prime is 211020010109. The reversal of 211020010102 is 201010020112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020010109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26337277 + ... + 26345287.

It is an arithmetic number, because the mean of its divisors is an integer number (10854056700).

Almost surely, 2^211020010102 is an apocalyptic number.

211020010102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211020010102 is a deficient number, since it is larger than the sum of its proper divisors (136309804298).

211020010102 is a wasteful number, since it uses less digits than its factorization.

211020010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14892.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211020010102 its reverse (201010020112), we get a palindrome (412030030214).

It can be divided in two parts, 211020010 and 102, that added together give a palindrome (211020112).

The spelling of 211020010102 in words is "two hundred eleven billion, twenty million, ten thousand, one hundred two".