100122021120977 has 2 divisors, whose sum is σ = 100122021120978. Its totient is φ = 100122021120976.

The previous prime is 100122021120949. The next prime is 100122021121021. The reversal of 100122021120977 is 779021120221001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80044085053696 + 20077936067281 = 8946736^2 + 4480841^2 .

It is a cyclic number.

It is not a de Polignac number, because 100122021120977 - 2³⁸ = 99847143214033 is a prime.

It is a super-2 number, since 2×100122021120977² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100122021126977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061010560488 + 50061010560489.

It is an arithmetic number, because the mean of its divisors is an integer number (50061010560489).

Almost surely, 2^{100122021120977} is an apocalyptic number.

It is an amenable number.

100122021120977 is a deficient number, since it is larger than the sum of its proper divisors (1).

100122021120977 is an equidigital number, since it uses as much as digits as its factorization.

100122021120977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 35.

Adding to 100122021120977 its reverse (779021120221001), we get a palindrome (879143141341978).

The spelling of 100122021120977 in words is "one hundred trillion, one hundred twenty-two billion, twenty-one million, one hundred twenty thousand, nine hundred seventy-seven".