201210120102 has 16 divisors (see below), whose sum is σ = 403470950400. Its totient is φ = 66894921672.

The previous prime is 201210120091. The next prime is 201210120113. The reversal of 201210120102 is 201021012102.

It is an interprime number because it is at equal distance from previous prime (201210120091) and next prime (201210120113).

It is a super-2 number, since 2×201210120102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43777102 + ... + 43781697.

It is an arithmetic number, because the mean of its divisors is an integer number (25216934400).

Almost surely, 2^201210120102 is an apocalyptic number.

201210120102 is an abundant number, since it is smaller than the sum of its proper divisors (202260830298).

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

201210120102 is a wasteful number, since it uses less digits than its factorization.

201210120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87559187.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201210120102 its reverse (201021012102), we get a palindrome (402231132204).

The spelling of 201210120102 in words is "two hundred one billion, two hundred ten million, one hundred twenty thousand, one hundred two".