212021011151 has 2 divisors, whose sum is σ = 212021011152. Its totient is φ = 212021011150.

The previous prime is 212021011109. The next prime is 212021011171. The reversal of 212021011151 is 151110120212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212021011151 - 2⁶ = 212021011087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021011171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010505575 + 106010505576.

It is an arithmetic number, because the mean of its divisors is an integer number (106010505576).

Almost surely, 2^212021011151 is an apocalyptic number.

212021011151 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021011151 is an equidigital number, since it uses as much as digits as its factorization.

212021011151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 212021011151 its reverse (151110120212), we get a palindrome (363131131363).

The spelling of 212021011151 in words is "two hundred twelve billion, twenty-one million, eleven thousand, one hundred fifty-one".