20011010002222 has 4 divisors (see below), whose sum is σ = 30016515003336. Its totient is φ = 10005505001110.

The previous prime is 20011010002211. The next prime is 20011010002223. The reversal of 20011010002222 is 22220001011002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×20011010002222⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011010002223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002752500554 + ... + 5002752500557.

It is an arithmetic number, because the mean of its divisors is an integer number (7504128750834).

Almost surely, 2^{20011010002222} is an apocalyptic number.

20011010002222 is a deficient number, since it is larger than the sum of its proper divisors (10005505001114).

20011010002222 is a wasteful number, since it uses less digits than its factorization.

20011010002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005505001113.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20011010002222 its reverse (22220001011002), we get a palindrome (42231011013224).

The spelling of 20011010002222 in words is "twenty trillion, eleven billion, ten million, two thousand, two hundred twenty-two".