2101211110444 has 48 divisors (see below), whose sum is σ = 3720122209440. Its totient is φ = 1038375797760.

The previous prime is 2101211110429. The next prime is 2101211110451. The reversal of 2101211110444 is 4440111121012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260724487 + ... + 260732545.

It is an arithmetic number, because the mean of its divisors is an integer number (77502546030).

Almost surely, 2^{2101211110444} is an apocalyptic number.

It is an amenable number.

2101211110444 is a deficient number, since it is larger than the sum of its proper divisors (1618911098996).

2101211110444 is a wasteful number, since it uses less digits than its factorization.

2101211110444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9730 (or 9728 counting only the distinct ones).

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

Adding to 2101211110444 its reverse (4440111121012), we get a palindrome (6541322231456).

The spelling of 2101211110444 in words is "two trillion, one hundred one billion, two hundred eleven million, one hundred ten thousand, four hundred forty-four".