22101012377 has 2 divisors, whose sum is σ = 22101012378. Its totient is φ = 22101012376.

The previous prime is 22101012257. The next prime is 22101012391. The reversal of 22101012377 is 77321010122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15462673801 + 6638338576 = 124349^2 + 81476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101012377 is a prime.

It is not a weakly prime, because it can be changed into another prime (22101011377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050506188 + 11050506189.

It is an arithmetic number, because the mean of its divisors is an integer number (11050506189).

Almost surely, 2^22101012377 is an apocalyptic number.

It is an amenable number.

22101012377 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101012377 is an equidigital number, since it uses as much as digits as its factorization.

22101012377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

Adding to 22101012377 its reverse (77321010122), we get a palindrome (99422022499).

The spelling of 22101012377 in words is "twenty-two billion, one hundred one million, twelve thousand, three hundred seventy-seven".