10021211245 has 8 divisors (see below), whose sum is σ = 12026515320. Its totient is φ = 8016261120.

The previous prime is 10021211243. The next prime is 10021211269. The reversal of 10021211245 is 54211212001.

It can be written as a sum of positive squares in 4 ways, for example, as 2349728676 + 7671482569 = 48474^2 + 87587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10021211245 - 2¹ = 10021211243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021211243) 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, 21600 + ... + 143209.

It is an arithmetic number, because the mean of its divisors is an integer number (1503314415).

Almost surely, 2^10021211245 is an apocalyptic number.

It is an amenable number.

10021211245 is a deficient number, since it is larger than the sum of its proper divisors (2005304075).

10021211245 is a wasteful number, since it uses less digits than its factorization.

10021211245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176975.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 10021211245 its reverse (54211212001), we get a palindrome (64232423246).

The spelling of 10021211245 in words is "ten billion, twenty-one million, two hundred eleven thousand, two hundred forty-five".