10012121401 has 2 divisors, whose sum is σ = 10012121402. Its totient is φ = 10012121400.

The previous prime is 10012121387. The next prime is 10012121411. The reversal of 10012121401 is 10412121001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7178156176 + 2833965225 = 84724^2 + 53235^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012121401 - 2⁵ = 10012121369 is a prime.

It is not a weakly prime, because it can be changed into another prime (10012121411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006060700 + 5006060701.

It is an arithmetic number, because the mean of its divisors is an integer number (5006060701).

Almost surely, 2^10012121401 is an apocalyptic number.

It is an amenable number.

10012121401 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012121401 is an equidigital number, since it uses as much as digits as its factorization.

10012121401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10012121401 its reverse (10412121001), we get a palindrome (20424242402).

The spelling of 10012121401 in words is "ten billion, twelve million, one hundred twenty-one thousand, four hundred one".