201091009102 has 8 divisors (see below), whose sum is σ = 301663792512. Its totient is φ = 100536411600.

The previous prime is 201091008953. The next prime is 201091009103. The reversal of 201091009102 is 201900190102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201091009103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4518799 + ... + 4563082.

It is an arithmetic number, because the mean of its divisors is an integer number (37707974064).

Almost surely, 2^201091009102 is an apocalyptic number.

201091009102 is a deficient number, since it is larger than the sum of its proper divisors (100572783410).

201091009102 is a wasteful number, since it uses less digits than its factorization.

201091009102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092954.

The product of its (nonzero) digits is 324, while the sum is 25.

Adding to 201091009102 its reverse (201900190102), we get a palindrome (402991199204).

The spelling of 201091009102 in words is "two hundred one billion, ninety-one million, nine thousand, one hundred two".