401152021229 has 2 divisors, whose sum is σ = 401152021230. Its totient is φ = 401152021228.

The previous prime is 401152021213. The next prime is 401152021243. The reversal of 401152021229 is 922120251104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395735355625 + 5416665604 = 629075^2 + 73598^2 .

It is a cyclic number.

It is not a de Polignac number, because 401152021229 - 2⁴ = 401152021213 is a prime.

It is a super-2 number, since 2×401152021229² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401152821229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200576010614 + 200576010615.

It is an arithmetic number, because the mean of its divisors is an integer number (200576010615).

Almost surely, 2^401152021229 is an apocalyptic number.

It is an amenable number.

401152021229 is a deficient number, since it is larger than the sum of its proper divisors (1).

401152021229 is an equidigital number, since it uses as much as digits as its factorization.

401152021229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 401152021229 in words is "four hundred one billion, one hundred fifty-two million, twenty-one thousand, two hundred twenty-nine".