201000100021097 has 8 divisors (see below), whose sum is σ = 216494994233280. Its totient is φ = 185509969817040.

The previous prime is 201000100021093. The next prime is 201000100021117. The reversal of 201000100021097 is 790120001000102.

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

It is a cyclic number.

It is not a de Polignac number, because 201000100021097 - 2² = 201000100021093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201000100021093) 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, 1190914397 + ... + 1191083162.

It is an arithmetic number, because the mean of its divisors is an integer number (27061874279160).

Almost surely, 2^{201000100021097} is an apocalyptic number.

It is an amenable number.

201000100021097 is a deficient number, since it is larger than the sum of its proper divisors (15494894212183).

201000100021097 is a wasteful number, since it uses less digits than its factorization.

201000100021097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382004063.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 201000100021097 its reverse (790120001000102), we get a palindrome (991120101021199).

The spelling of 201000100021097 in words is "two hundred one trillion, one hundred million, twenty-one thousand, ninety-seven".