201210101102 has 4 divisors (see below), whose sum is σ = 301815151656. Its totient is φ = 100605050550.

The previous prime is 201210101089. The next prime is 201210101143. The reversal of 201210101102 is 201101012102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201101012102 = 2 ⋅100550506051.

It is a super-2 number, since 2×201210101102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50302525274 + ... + 50302525277.

It is an arithmetic number, because the mean of its divisors is an integer number (75453787914).

Almost surely, 2^201210101102 is an apocalyptic number.

201210101102 is a deficient number, since it is larger than the sum of its proper divisors (100605050554).

201210101102 is a wasteful number, since it uses less digits than its factorization.

201210101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100605050553.

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

Adding to 201210101102 its reverse (201101012102), we get a palindrome (402311113204).

The spelling of 201210101102 in words is "two hundred one billion, two hundred ten million, one hundred one thousand, one hundred two".