20012011102222 has 4 divisors (see below), whose sum is σ = 30018016653336. Its totient is φ = 10006005551110.

The previous prime is 20012011102219. The next prime is 20012011102297. The reversal of 20012011102222 is 22220111021002.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20012011102196 and 20012011102205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003002775554 + ... + 5003002775557.

It is an arithmetic number, because the mean of its divisors is an integer number (7504504163334).

Almost surely, 2^{20012011102222} is an apocalyptic number.

20012011102222 is a deficient number, since it is larger than the sum of its proper divisors (10006005551114).

20012011102222 is a wasteful number, since it uses less digits than its factorization.

20012011102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006005551113.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20012011102222 its reverse (22220111021002), we get a palindrome (42232122123224).

The spelling of 20012011102222 in words is "twenty trillion, twelve billion, eleven million, one hundred two thousand, two hundred twenty-two".