20022111221010 has 16 divisors (see below), whose sum is σ = 48053066930496. Its totient is φ = 5339229658928.

The previous prime is 20022111221009. The next prime is 20022111221011. The reversal of 20022111221010 is 1012211122002.

It is an interprime number because it is at equal distance from previous prime (20022111221009) and next prime (20022111221011).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20022111221011) 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, 333701853654 + ... + 333701853713.

It is an arithmetic number, because the mean of its divisors is an integer number (3003316683156).

Almost surely, 2^{20022111221010} is an apocalyptic number.

20022111221010 is an abundant number, since it is smaller than the sum of its proper divisors (28030955709486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022111221010 is a wasteful number, since it uses less digits than its factorization.

20022111221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667403707377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20022111221010 its reverse (1012211122002), we get a palindrome (21034322343012).

The spelling of 20022111221010 in words is "twenty trillion, twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, ten".