201220120102 has 16 divisors (see below), whose sum is σ = 315811441152. Its totient is φ = 95973478920.

The previous prime is 201220120091. The next prime is 201220120163. The reversal of 201220120102 is 201021022102.

It is a happy number.

It is a super-3 number, since 3×201220120102³ (a number of 35 digits) contains 333 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, 5942724 + ... + 5976487.

It is an arithmetic number, because the mean of its divisors is an integer number (19738215072).

Almost surely, 2^201220120102 is an apocalyptic number.

201220120102 is a deficient number, since it is larger than the sum of its proper divisors (114591321050).

201220120102 is a wasteful number, since it uses less digits than its factorization.

201220120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11919603.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201220120102 its reverse (201021022102), we get a palindrome (402241142204).

The spelling of 201220120102 in words is "two hundred one billion, two hundred twenty million, one hundred twenty thousand, one hundred two".