20010022211 has 8 divisors (see below), whose sum is σ = 20341291824. Its totient is φ = 19678857120.

The previous prime is 20010022187. The next prime is 20010022213. The reversal of 20010022211 is 11222001002.

It is a happy number.

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-20010022211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010022192 and 20010022201.

It is not an unprimeable number, because it can be changed into a prime (20010022213) 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, 423281 + ... + 468173.

It is an arithmetic number, because the mean of its divisors is an integer number (2542661478).

Almost surely, 2^20010022211 is an apocalyptic number.

20010022211 is a deficient number, since it is larger than the sum of its proper divisors (331269613).

20010022211 is an equidigital number, since it uses as much as digits as its factorization.

20010022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52261.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20010022211 its reverse (11222001002), we get a palindrome (31232023213).

The spelling of 20010022211 in words is "twenty billion, ten million, twenty-two thousand, two hundred eleven".