11212100097 has 16 divisors (see below), whose sum is σ = 16316605440. Its totient is φ = 6791838800.

The previous prime is 11212100093. The next prime is 11212100101. The reversal of 11212100097 is 79000121211.

It is an interprime number because it is at equal distance from previous prime (11212100093) and next prime (11212100101).

It is a cyclic number.

It is not a de Polignac number, because 11212100097 - 2² = 11212100093 is a prime.

It is a super-2 number, since 2×11212100097² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11212100093) 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, 16029 + ... + 150602.

It is an arithmetic number, because the mean of its divisors is an integer number (1019787840).

Almost surely, 2^11212100097 is an apocalyptic number.

It is an amenable number.

11212100097 is a deficient number, since it is larger than the sum of its proper divisors (5104505343).

11212100097 is a wasteful number, since it uses less digits than its factorization.

11212100097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168684.

The product of its (nonzero) digits is 252, while the sum is 24.

The spelling of 11212100097 in words is "eleven billion, two hundred twelve million, one hundred thousand, ninety-seven".