1222021101097 has 2 divisors, whose sum is σ = 1222021101098. Its totient is φ = 1222021101096.

The previous prime is 1222021101061. The next prime is 1222021101131. The reversal of 1222021101097 is 7901011202221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802608141456 + 419412959641 = 895884^2 + 647621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222021101097 - 2¹¹ = 1222021099049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222021108097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611010550548 + 611010550549.

It is an arithmetic number, because the mean of its divisors is an integer number (611010550549).

Almost surely, 2^{1222021101097} is an apocalyptic number.

It is an amenable number.

1222021101097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222021101097 is an equidigital number, since it uses as much as digits as its factorization.

1222021101097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 1222021101097 in words is "one trillion, two hundred twenty-two billion, twenty-one million, one hundred one thousand, ninety-seven".