38000121001211 has 4 divisors (see below), whose sum is σ = 38427088653000. Its totient is φ = 37573153349424.

The previous prime is 38000121001207. The next prime is 38000121001217. The reversal of 38000121001211 is 11210012100083.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38000121001211 - 2² = 38000121001207 is a prime.

It is a super-2 number, since 2×38000121001211² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38000121001217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213483825761 + ... + 213483825938.

It is an arithmetic number, because the mean of its divisors is an integer number (9606772163250).

Almost surely, 2^{38000121001211} is an apocalyptic number.

38000121001211 is a deficient number, since it is larger than the sum of its proper divisors (426967651789).

38000121001211 is an equidigital number, since it uses as much as digits as its factorization.

38000121001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426967651788.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 38000121001211 its reverse (11210012100083), we get a palindrome (49210133101294).

The spelling of 38000121001211 in words is "thirty-eight trillion, one hundred twenty-one million, one thousand, two hundred eleven".