1021101122207 has 2 divisors, whose sum is σ = 1021101122208. Its totient is φ = 1021101122206.

The previous prime is 1021101122191. The next prime is 1021101122227. The reversal of 1021101122207 is 7022211011201.

It is a happy number.

It is an a-pointer prime, because the next prime (1021101122227) can be obtained adding 1021101122207 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021101122207 - 2⁴ = 1021101122191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021101122227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510550561103 + 510550561104.

It is an arithmetic number, because the mean of its divisors is an integer number (510550561104).

Almost surely, 2^{1021101122207} is an apocalyptic number.

1021101122207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021101122207 is an equidigital number, since it uses as much as digits as its factorization.

1021101122207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1021101122207 its reverse (7022211011201), we get a palindrome (8043312133408).

The spelling of 1021101122207 in words is "one trillion, twenty-one billion, one hundred one million, one hundred twenty-two thousand, two hundred seven".