1401111220144 has 20 divisors (see below), whose sum is σ = 2724974871696. Its totient is φ = 697891898432.

The previous prime is 1401111220133. The next prime is 1401111220147. The reversal of 1401111220144 is 4410221111041.

It is a super-2 number, since 2×1401111220144² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1401111220147) 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, 166477639 + ... + 166486054.

Almost surely, 2^{1401111220144} is an apocalyptic number.

It is an amenable number.

1401111220144 is a deficient number, since it is larger than the sum of its proper divisors (1323863651552).

1401111220144 is a wasteful number, since it uses less digits than its factorization.

1401111220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332963964 (or 332963958 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 1401111220144 its reverse (4410221111041), we get a palindrome (5811332331185).

The spelling of 1401111220144 in words is "one trillion, four hundred one billion, one hundred eleven million, two hundred twenty thousand, one hundred forty-four".