20012222211002 has 16 divisors (see below), whose sum is σ = 34789859137152. Its totient is φ = 8455868539440.

The previous prime is 20012222210887. The next prime is 20012222211017. The reversal of 20012222211002 is 20011222221002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10066509173 + ... + 10066511160.

It is an arithmetic number, because the mean of its divisors is an integer number (2174366196072).

Almost surely, 2^{20012222211002} is an apocalyptic number.

20012222211002 is a deficient number, since it is larger than the sum of its proper divisors (14777636926150).

20012222211002 is a wasteful number, since it uses less digits than its factorization.

20012222211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20133020413.

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

Adding to 20012222211002 its reverse (20011222221002), we get a palindrome (40023444432004).

The spelling of 20012222211002 in words is "twenty trillion, twelve billion, two hundred twenty-two million, two hundred eleven thousand, two".