212001002001101 has 2 divisors, whose sum is σ = 212001002001102. Its totient is φ = 212001002001100.

The previous prime is 212001002001097. The next prime is 212001002001119. The reversal of 212001002001101 is 101100200100212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177924946000201 + 34076056000900 = 13338851^2 + 5837470^2 .

It is a cyclic number.

It is not a de Polignac number, because 212001002001101 - 2² = 212001002001097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212001002007101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000501000550 + 106000501000551.

It is an arithmetic number, because the mean of its divisors is an integer number (106000501000551).

Almost surely, 2^{212001002001101} is an apocalyptic number.

It is an amenable number.

212001002001101 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001002001101 is an equidigital number, since it uses as much as digits as its factorization.

212001002001101 is an evil number, because the sum of its binary digits is even.

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

Adding to 212001002001101 its reverse (101100200100212), we get a palindrome (313101202101313).

The spelling of 212001002001101 in words is "two hundred twelve trillion, one billion, two million, one thousand, one hundred one".