201020122102 has 8 divisors (see below), whose sum is σ = 303335753616. Its totient is φ = 99908204232.

The previous prime is 201020122091. The next prime is 201020122111. The reversal of 201020122102 is 201221020102.

It is a happy number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300927993 + ... + 300928660.

It is an arithmetic number, because the mean of its divisors is an integer number (37916969202).

Almost surely, 2^201020122102 is an apocalyptic number.

201020122102 is a deficient number, since it is larger than the sum of its proper divisors (102315631514).

201020122102 is a wasteful number, since it uses less digits than its factorization.

201020122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601856822.

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

Adding to 201020122102 its reverse (201221020102), we get a palindrome (402241142204).

The spelling of 201020122102 in words is "two hundred one billion, twenty million, one hundred twenty-two thousand, one hundred two".