1002212031101 has 2 divisors, whose sum is σ = 1002212031102. Its totient is φ = 1002212031100.

The previous prime is 1002212031089. The next prime is 1002212031173. The reversal of 1002212031101 is 1011302122001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990602184100 + 11609847001 = 995290^2 + 107749^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002212031101 - 2²² = 1002207836797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002212031701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501106015550 + 501106015551.

It is an arithmetic number, because the mean of its divisors is an integer number (501106015551).

Almost surely, 2^{1002212031101} is an apocalyptic number.

It is an amenable number.

1002212031101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002212031101 is an equidigital number, since it uses as much as digits as its factorization.

1002212031101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1002212031101 its reverse (1011302122001), we get a palindrome (2013514153102).

The spelling of 1002212031101 in words is "one trillion, two billion, two hundred twelve million, thirty-one thousand, one hundred one".