7212051101 has 2 divisors, whose sum is σ = 7212051102. Its totient is φ = 7212051100.

The previous prime is 7212051073. The next prime is 7212051113. The reversal of 7212051101 is 1011502127.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4998348601 + 2213702500 = 70699^2 + 47050^2 .

It is a cyclic number.

It is not a de Polignac number, because 7212051101 - 2¹⁸ = 7211788957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7212051181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606025550 + 3606025551.

It is an arithmetic number, because the mean of its divisors is an integer number (3606025551).

Almost surely, 2^7212051101 is an apocalyptic number.

It is an amenable number.

7212051101 is a deficient number, since it is larger than the sum of its proper divisors (1).

7212051101 is an equidigital number, since it uses as much as digits as its factorization.

7212051101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 7212051101 is about 84923.7958466295. The cubic root of 7212051101 is about 1932.0555029692.

Adding to 7212051101 its reverse (1011502127), we get a palindrome (8223553228).

The spelling of 7212051101 in words is "seven billion, two hundred twelve million, fifty-one thousand, one hundred one".