201102102021209 has 4 divisors (see below), whose sum is σ = 211686423180240. Its totient is φ = 190517780862180.

The previous prime is 201102102021181. The next prime is 201102102021211. The reversal of 201102102021209 is 902120201201102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201102102021209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201102102021109) 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, 5292160579487 + ... + 5292160579524.

It is an arithmetic number, because the mean of its divisors is an integer number (52921605795060).

Almost surely, 2^{201102102021209} is an apocalyptic number.

It is an amenable number.

201102102021209 is a deficient number, since it is larger than the sum of its proper divisors (10584321159031).

201102102021209 is a wasteful number, since it uses less digits than its factorization.

201102102021209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10584321159030.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 201102102021209 in words is "two hundred one trillion, one hundred two billion, one hundred two million, twenty-one thousand, two hundred nine".