201012111097 has 16 divisors (see below), whose sum is σ = 236550650112. Its totient is φ = 167222753280.

The previous prime is 201012111043. The next prime is 201012111101. The reversal of 201012111097 is 790111210102.

It is a cyclic number.

It is not a de Polignac number, because 201012111097 - 2¹⁵ = 201012078329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201012111037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1759093 + ... + 1869874.

It is an arithmetic number, because the mean of its divisors is an integer number (14784415632).

Almost surely, 2^201012111097 is an apocalyptic number.

It is an amenable number.

201012111097 is a deficient number, since it is larger than the sum of its proper divisors (35538539015).

201012111097 is a wasteful number, since it uses less digits than its factorization.

201012111097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629208.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 201012111097 its reverse (790111210102), we get a palindrome (991123321199).

The spelling of 201012111097 in words is "two hundred one billion, twelve million, one hundred eleven thousand, ninety-seven".