212030121113 has 2 divisors, whose sum is σ = 212030121114. Its totient is φ = 212030121112.

The previous prime is 212030121059. The next prime is 212030121143. The reversal of 212030121113 is 311121030212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199954748569 + 12075372544 = 447163^2 + 109888^2 .

It is a cyclic number.

It is not a de Polignac number, because 212030121113 - 2⁶ = 212030121049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212030121091 and 212030121100.

It is not a weakly prime, because it can be changed into another prime (212030121143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106015060556 + 106015060557.

It is an arithmetic number, because the mean of its divisors is an integer number (106015060557).

Almost surely, 2^212030121113 is an apocalyptic number.

It is an amenable number.

212030121113 is a deficient number, since it is larger than the sum of its proper divisors (1).

212030121113 is an equidigital number, since it uses as much as digits as its factorization.

212030121113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212030121113 its reverse (311121030212), we get a palindrome (523151151325).

Subtracting 212030121113 from its reverse (311121030212), we obtain a palindrome (99090909099).

The spelling of 212030121113 in words is "two hundred twelve billion, thirty million, one hundred twenty-one thousand, one hundred thirteen".