2071021251044 has 24 divisors (see below), whose sum is σ = 3903760993440. Its totient is φ = 958195877184.

The previous prime is 2071021251029. The next prime is 2071021251049. The reversal of 2071021251044 is 4401521201702.

It is a junction number, because it is equal to n+sod(n) for n = 2071021250998 and 2071021251016.

It is not an unprimeable number, because it can be changed into a prime (2071021251049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316860449 + ... + 316866984.

It is an arithmetic number, because the mean of its divisors is an integer number (162656708060).

Almost surely, 2^{2071021251044} is an apocalyptic number.

It is an amenable number.

2071021251044 is a deficient number, since it is larger than the sum of its proper divisors (1832739742396).

2071021251044 is a wasteful number, since it uses less digits than its factorization.

2071021251044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633727499 (or 633727497 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 2071021251044 its reverse (4401521201702), we get a palindrome (6472542452746).

The spelling of 2071021251044 in words is "two trillion, seventy-one billion, twenty-one million, two hundred fifty-one thousand, forty-four".