4001121311234 has 4 divisors (see below), whose sum is σ = 6001681966854. Its totient is φ = 2000560655616.

The previous prime is 4001121311189. The next prime is 4001121311279. The reversal of 4001121311234 is 4321131211004.

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

It is an interprime number because it is at equal distance from previous prime (4001121311189) and next prime (4001121311279).

It can be written as a sum of positive squares in only one way, i.e., 2059933951009 + 1941187360225 = 1435247^2 + 1393265^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000280327807 + ... + 1000280327810.

Almost surely, 2^{4001121311234} is an apocalyptic number.

4001121311234 is a deficient number, since it is larger than the sum of its proper divisors (2000560655620).

4001121311234 is a wasteful number, since it uses less digits than its factorization.

4001121311234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000560655619.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 4001121311234 its reverse (4321131211004), we get a palindrome (8322252522238).

The spelling of 4001121311234 in words is "four trillion, one billion, one hundred twenty-one million, three hundred eleven thousand, two hundred thirty-four".