212222002051 has 2 divisors, whose sum is σ = 212222002052. Its totient is φ = 212222002050.

The previous prime is 212222002039. The next prime is 212222002129. The reversal of 212222002051 is 150200222212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212222002051 - 2¹³ = 212221993859 is a prime.

It is not a weakly prime, because it can be changed into another prime (212222002651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111001025 + 106111001026.

It is an arithmetic number, because the mean of its divisors is an integer number (106111001026).

Almost surely, 2^212222002051 is an apocalyptic number.

212222002051 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222002051 is an equidigital number, since it uses as much as digits as its factorization.

212222002051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 212222002051 its reverse (150200222212), we get a palindrome (362422224263).

The spelling of 212222002051 in words is "two hundred twelve billion, two hundred twenty-two million, two thousand, fifty-one".