1202100210101 has 12 divisors (see below), whose sum is σ = 1398460775148. Its totient is φ = 1030298435712.

The previous prime is 1202100210041. The next prime is 1202100210151. The reversal of 1202100210101 is 1010120012021.

It can be written as a sum of positive squares in 2 ways, for example, as 1076925062500 + 125175147601 = 1037750^2 + 353801^2 .

It is not a de Polignac number, because 1202100210101 - 2¹⁸ = 1202099947957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202100210151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168356 + ... + 1559661.

It is an arithmetic number, because the mean of its divisors is an integer number (116538397929).

Almost surely, 2^{1202100210101} is an apocalyptic number.

It is an amenable number.

1202100210101 is a deficient number, since it is larger than the sum of its proper divisors (196360565047).

1202100210101 is a wasteful number, since it uses less digits than its factorization.

1202100210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742228 (or 1742221 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1202100210101 its reverse (1010120012021), we get a palindrome (2212220222122).

The spelling of 1202100210101 in words is "one trillion, two hundred two billion, one hundred million, two hundred ten thousand, one hundred one".