2011201021097 has 8 divisors (see below), whose sum is σ = 2034253248192. Its totient is φ = 1988210350000.

The previous prime is 2011201021091. The next prime is 2011201021133. The reversal of 2011201021097 is 7901201021102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011201021097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011201021091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15323279 + ... + 15453972.

It is an arithmetic number, because the mean of its divisors is an integer number (254281656024).

Almost surely, 2^{2011201021097} is an apocalyptic number.

It is an amenable number.

2011201021097 is a deficient number, since it is larger than the sum of its proper divisors (23052227095).

2011201021097 is a wasteful number, since it uses less digits than its factorization.

2011201021097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30777999.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 2011201021097 its reverse (7901201021102), we get a palindrome (9912402042199).

The spelling of 2011201021097 in words is "two trillion, eleven billion, two hundred one million, twenty-one thousand, ninety-seven".