22001101021057 has 2 divisors, whose sum is σ = 22001101021058. Its totient is φ = 22001101021056.

The previous prime is 22001101020973. The next prime is 22001101021069. The reversal of 22001101021057 is 75012010110022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11171631075201 + 10829469945856 = 3342399^2 + 3290816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22001101021057 is a prime.

It is a super-2 number, since 2×22001101021057² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22001101021087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000550510528 + 11000550510529.

It is an arithmetic number, because the mean of its divisors is an integer number (11000550510529).

Almost surely, 2^{22001101021057} is an apocalyptic number.

It is an amenable number.

22001101021057 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001101021057 is an equidigital number, since it uses as much as digits as its factorization.

22001101021057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 22001101021057 its reverse (75012010110022), we get a palindrome (97013111131079).

The spelling of 22001101021057 in words is "twenty-two trillion, one billion, one hundred one million, twenty-one thousand, fifty-seven".