1011421230025 has 12 divisors (see below), whose sum is σ = 1254516618124. Its totient is φ = 808908408000.

The previous prime is 1011421230019. The next prime is 1011421230073. The reversal of 1011421230025 is 5200321241101.

It can be written as a sum of positive squares in 6 ways, for example, as 97097052816 + 914324177209 = 311604^2 + 956203^2 .

It is not a de Polignac number, because 1011421230025 - 2⁵ = 1011421229993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011421229978 and 1011421230005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5624106 + ... + 5801155.

Almost surely, 2^{1011421230025} is an apocalyptic number.

It is an amenable number.

1011421230025 is a deficient number, since it is larger than the sum of its proper divisors (243095388099).

1011421230025 is a wasteful number, since it uses less digits than its factorization.

1011421230025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428812 (or 11428807 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1011421230025 its reverse (5200321241101), we get a palindrome (6211742471126).

The spelling of 1011421230025 in words is "one trillion, eleven billion, four hundred twenty-one million, two hundred thirty thousand, twenty-five".