1011021444043 has 16 divisors (see below), whose sum is σ = 1089598710816. Its totient is φ = 932559701760.

The previous prime is 1011021444029. The next prime is 1011021444073. The reversal of 1011021444043 is 3404441201101.

It is a cyclic number.

It is not a de Polignac number, because 1011021444043 - 2⁵ = 1011021444011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011021443999 and 1011021444017.

It is not an unprimeable number, because it can be changed into a prime (1011021444073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147440271 + ... + 147447127.

It is an arithmetic number, because the mean of its divisors is an integer number (68099919426).

Almost surely, 2^{1011021444043} is an apocalyptic number.

1011021444043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1011021444043 is a deficient number, since it is larger than the sum of its proper divisors (78577266773).

1011021444043 is a wasteful number, since it uses less digits than its factorization.

1011021444043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1011021444043 its reverse (3404441201101), we get a palindrome (4415462645144).

The spelling of 1011021444043 in words is "one trillion, eleven billion, twenty-one million, four hundred forty-four thousand, forty-three".