10021012211 has 8 divisors (see below), whose sum is σ = 11456534880. Its totient is φ = 8586476928.

The previous prime is 10021012201. The next prime is 10021012217. The reversal of 10021012211 is 11221012001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021012211 is a prime.

It is a super-2 number, since 2×10021012211² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021012192 and 10021012201.

It is not an unprimeable number, because it can be changed into a prime (10021012217) 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, 224966 + ... + 265803.

It is an arithmetic number, because the mean of its divisors is an integer number (1432066860).

Almost surely, 2^10021012211 is an apocalyptic number.

10021012211 is a deficient number, since it is larger than the sum of its proper divisors (1435522669).

10021012211 is an equidigital number, since it uses as much as digits as its factorization.

10021012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493693.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10021012211 its reverse (11221012001), we get a palindrome (21242024212).

The spelling of 10021012211 in words is "ten billion, twenty-one million, twelve thousand, two hundred eleven".