1101130221197 has 2 divisors, whose sum is σ = 1101130221198. Its totient is φ = 1101130221196.

The previous prime is 1101130221131. The next prime is 1101130221199. The reversal of 1101130221197 is 7911220311011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 687695367076 + 413434854121 = 829274^2 + 642989^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101130221197 - 2¹² = 1101130217101 is a prime.

It is a super-2 number, since 2×1101130221197² (a number of 25 digits) contains 22 as substring.

Together with 1101130221199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101130221199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550565110598 + 550565110599.

It is an arithmetic number, because the mean of its divisors is an integer number (550565110599).

Almost surely, 2^{1101130221197} is an apocalyptic number.

It is an amenable number.

1101130221197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101130221197 is an equidigital number, since it uses as much as digits as its factorization.

1101130221197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 29.

The spelling of 1101130221197 in words is "one trillion, one hundred one billion, one hundred thirty million, two hundred twenty-one thousand, one hundred ninety-seven".