10021211200525 has 24 divisors (see below), whose sum is σ = 14201877253824. Its totient is φ = 6871499270400.

The previous prime is 10021211200513. The next prime is 10021211200543. The reversal of 10021211200525 is 52500211212001.

It is a happy number.

It is not a de Polignac number, because 10021211200525 - 2¹⁵ = 10021211167757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021211200496 and 10021211200505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5771814 + ... + 7304536.

It is an arithmetic number, because the mean of its divisors is an integer number (591744885576).

Almost surely, 2^{10021211200525} is an apocalyptic number.

It is an amenable number.

10021211200525 is a deficient number, since it is larger than the sum of its proper divisors (4180666053299).

10021211200525 is a wasteful number, since it uses less digits than its factorization.

10021211200525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570101 (or 1570096 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 10021211200525 its reverse (52500211212001), we get a palindrome (62521422412526).

The spelling of 10021211200525 in words is "ten trillion, twenty-one billion, two hundred eleven million, two hundred thousand, five hundred twenty-five".