1102020010101 has 24 divisors (see below), whose sum is σ = 1596813133656. Its totient is φ = 732370636800.

The previous prime is 1102020010043. The next prime is 1102020010141. The reversal of 1102020010101 is 1010100202011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 523887887601 + 578132122500 = 723801^2 + 760350^2 .

It is not a de Polignac number, because 1102020010101 - 2⁶ = 1102020010037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102020010141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10473051 + ... + 10577751.

It is an arithmetic number, because the mean of its divisors is an integer number (66533880569).

Almost surely, 2^{1102020010101} is an apocalyptic number.

It is an amenable number.

1102020010101 is a deficient number, since it is larger than the sum of its proper divisors (494793123555).

1102020010101 is a wasteful number, since it uses less digits than its factorization.

1102020010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108373 (or 108370 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1102020010101 its reverse (1010100202011), we get a palindrome (2112120212112).

The spelling of 1102020010101 in words is "one trillion, one hundred two billion, twenty million, ten thousand, one hundred one".