1102011010021 has 2 divisors, whose sum is σ = 1102011010022. Its totient is φ = 1102011010020.

The previous prime is 1102011009977. The next prime is 1102011010123. The reversal of 1102011010021 is 1200101102011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579988864900 + 522022145121 = 761570^2 + 722511^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102011010021 - 2⁷ = 1102011009893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102011010721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551005505010 + 551005505011.

It is an arithmetic number, because the mean of its divisors is an integer number (551005505011).

Almost surely, 2^{1102011010021} is an apocalyptic number.

It is an amenable number.

1102011010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102011010021 is an equidigital number, since it uses as much as digits as its factorization.

1102011010021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1102011010021 its reverse (1200101102011), we get a palindrome (2302112112032).

The spelling of 1102011010021 in words is "one trillion, one hundred two billion, eleven million, ten thousand, twenty-one".