2121000201011 has 2 divisors, whose sum is σ = 2121000201012. Its totient is φ = 2121000201010.

The previous prime is 2121000200981. The next prime is 2121000201017. The reversal of 2121000201011 is 1101020001212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121000201011 - 2²² = 2120996006707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121000200983 and 2121000201001.

It is not a weakly prime, because it can be changed into another prime (2121000201017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060500100505 + 1060500100506.

It is an arithmetic number, because the mean of its divisors is an integer number (1060500100506).

Almost surely, 2^{2121000201011} is an apocalyptic number.

2121000201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121000201011 is an equidigital number, since it uses as much as digits as its factorization.

2121000201011 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 2121000201011 its reverse (1101020001212), we get a palindrome (3222020202223).

The spelling of 2121000201011 in words is "two trillion, one hundred twenty-one billion, two hundred one thousand, eleven".