2102223332977 has 2 divisors, whose sum is σ = 2102223332978. Its totient is φ = 2102223332976.

The previous prime is 2102223332941. The next prime is 2102223332981. The reversal of 2102223332977 is 7792333222012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1409548315536 + 692675017441 = 1187244^2 + 832271^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102223332977 - 2¹⁵ = 2102223300209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102223332177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051111666488 + 1051111666489.

It is an arithmetic number, because the mean of its divisors is an integer number (1051111666489).

Almost surely, 2^{2102223332977} is an apocalyptic number.

It is an amenable number.

2102223332977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102223332977 is an equidigital number, since it uses as much as digits as its factorization.

2102223332977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 43.

Adding to 2102223332977 its reverse (7792333222012), we get a palindrome (9894556554989).

The spelling of 2102223332977 in words is "two trillion, one hundred two billion, two hundred twenty-three million, three hundred thirty-two thousand, nine hundred seventy-seven".