2111210101097 has 2 divisors, whose sum is σ = 2111210101098. Its totient is φ = 2111210101096.

The previous prime is 2111210101093. The next prime is 2111210101163. The reversal of 2111210101097 is 7901010121112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1064402826601 + 1046807274496 = 1031699^2 + 1023136^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111210101097 - 2² = 2111210101093 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111210101093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055605050548 + 1055605050549.

It is an arithmetic number, because the mean of its divisors is an integer number (1055605050549).

Almost surely, 2^{2111210101097} is an apocalyptic number.

It is an amenable number.

2111210101097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111210101097 is an equidigital number, since it uses as much as digits as its factorization.

2111210101097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 2111210101097 in words is "two trillion, one hundred eleven billion, two hundred ten million, one hundred one thousand, ninety-seven".