20010222022211 has 16 divisors (see below), whose sum is σ = 20081168532480. Its totient is φ = 19939404532320.

The previous prime is 20010222022181. The next prime is 20010222022213. The reversal of 20010222022211 is 11222022201002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20010222022211 - 2¹⁴ = 20010222005827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20010222022211.

It is not an unprimeable number, because it can be changed into a prime (20010222022213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1876598066 + ... + 1876608728.

It is an arithmetic number, because the mean of its divisors is an integer number (1255073033280).

Almost surely, 2^{20010222022211} is an apocalyptic number.

20010222022211 is a deficient number, since it is larger than the sum of its proper divisors (70946510269).

20010222022211 is a wasteful number, since it uses less digits than its factorization.

20010222022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16106.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20010222022211 its reverse (11222022201002), we get a palindrome (31232244223213).

The spelling of 20010222022211 in words is "twenty trillion, ten billion, two hundred twenty-two million, twenty-two thousand, two hundred eleven".