1222102320977 has 2 divisors, whose sum is σ = 1222102320978. Its totient is φ = 1222102320976.

The previous prime is 1222102320949. The next prime is 1222102321009. The reversal of 1222102320977 is 7790232012221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1033955450896 + 188146870081 = 1016836^2 + 433759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222102320977 - 2¹² = 1222102316881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222102320977.

It is not a weakly prime, because it can be changed into another prime (1222102320377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611051160488 + 611051160489.

It is an arithmetic number, because the mean of its divisors is an integer number (611051160489).

Almost surely, 2^{1222102320977} is an apocalyptic number.

It is an amenable number.

1222102320977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222102320977 is an equidigital number, since it uses as much as digits as its factorization.

1222102320977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 1222102320977 in words is "one trillion, two hundred twenty-two billion, one hundred two million, three hundred twenty thousand, nine hundred seventy-seven".