212111100151 has 2 divisors, whose sum is σ = 212111100152. Its totient is φ = 212111100150.

The previous prime is 212111100133. The next prime is 212111100247. The reversal of 212111100151 is 151001111212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212111100151 - 2⁷ = 212111100023 is a prime.

It is a super-2 number, since 2×212111100151² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212111100101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055550075 + 106055550076.

It is an arithmetic number, because the mean of its divisors is an integer number (106055550076).

Almost surely, 2^212111100151 is an apocalyptic number.

212111100151 is a deficient number, since it is larger than the sum of its proper divisors (1).

212111100151 is an equidigital number, since it uses as much as digits as its factorization.

212111100151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 212111100151 its reverse (151001111212), we get a palindrome (363112211363).

The spelling of 212111100151 in words is "two hundred twelve billion, one hundred eleven million, one hundred thousand, one hundred fifty-one".