1025141124221 has 16 divisors (see below), whose sum is σ = 1083823348608. Its totient is φ = 967698072000.

The previous prime is 1025141124199. The next prime is 1025141124263. The reversal of 1025141124221 is 1224211415201.

It is a cyclic number.

It is not a de Polignac number, because 1025141124221 - 2⁶ = 1025141124157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025141144221) 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, 5570 + ... + 1431891.

It is an arithmetic number, because the mean of its divisors is an integer number (67738959288).

Almost surely, 2^{1025141124221} is an apocalyptic number.

It is an amenable number.

1025141124221 is a deficient number, since it is larger than the sum of its proper divisors (58682224387).

1025141124221 is a wasteful number, since it uses less digits than its factorization.

1025141124221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437892.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 1025141124221 its reverse (1224211415201), we get a palindrome (2249352539422).

The spelling of 1025141124221 in words is "one trillion, twenty-five billion, one hundred forty-one million, one hundred twenty-four thousand, two hundred twenty-one".