1101101621377 has 2 divisors, whose sum is σ = 1101101621378. Its totient is φ = 1101101621376.

The previous prime is 1101101621369. The next prime is 1101101621401. The reversal of 1101101621377 is 7731261011011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050217089601 + 50884531776 = 1024801^2 + 225576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101101621377 - 2³ = 1101101621369 is a prime.

It is a super-2 number, since 2×1101101621377² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101101681377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550550810688 + 550550810689.

It is an arithmetic number, because the mean of its divisors is an integer number (550550810689).

Almost surely, 2^{1101101621377} is an apocalyptic number.

It is an amenable number.

1101101621377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101101621377 is an equidigital number, since it uses as much as digits as its factorization.

1101101621377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 31.

Adding to 1101101621377 its reverse (7731261011011), we get a palindrome (8832362632388).

The spelling of 1101101621377 in words is "one trillion, one hundred one billion, one hundred one million, six hundred twenty-one thousand, three hundred seventy-seven".