1020211220044 has 12 divisors (see below), whose sum is σ = 1790763503368. Its totient is φ = 508564504800.

The previous prime is 1020211219901. The next prime is 1020211220069. The reversal of 1020211220044 is 4400221120201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385274817 + ... + 385277464.

Almost surely, 2^{1020211220044} is an apocalyptic number.

It is an amenable number.

1020211220044 is a deficient number, since it is larger than the sum of its proper divisors (770552283324).

1020211220044 is a wasteful number, since it uses less digits than its factorization.

1020211220044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770552616 (or 770552614 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1020211220044 its reverse (4400221120201), we get a palindrome (5420432340245).

The spelling of 1020211220044 in words is "one trillion, twenty billion, two hundred eleven million, two hundred twenty thousand, forty-four".