12021150101 has 2 divisors, whose sum is σ = 12021150102. Its totient is φ = 12021150100.

The previous prime is 12021150091. The next prime is 12021150139. The reversal of 12021150101 is 10105112021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9593223025 + 2427927076 = 97945^2 + 49274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021150101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021150181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010575050 + 6010575051.

It is an arithmetic number, because the mean of its divisors is an integer number (6010575051).

Almost surely, 2^12021150101 is an apocalyptic number.

It is an amenable number.

12021150101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021150101 is an equidigital number, since it uses as much as digits as its factorization.

12021150101 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 14.

Adding to 12021150101 its reverse (10105112021), we get a palindrome (22126262122).

The spelling of 12021150101 in words is "twelve billion, twenty-one million, one hundred fifty thousand, one hundred one".