20101202012222 has 16 divisors (see below), whose sum is σ = 31240146096000. Its totient is φ = 9690230485920.

The previous prime is 20101202012219. The next prime is 20101202012249. The reversal of 20101202012222 is 22221020210102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20101202012222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602609597 + ... + 602642952.

It is an arithmetic number, because the mean of its divisors is an integer number (1952509131000).

Almost surely, 2^{20101202012222} is an apocalyptic number.

20101202012222 is a deficient number, since it is larger than the sum of its proper divisors (11138944083778).

20101202012222 is a wasteful number, since it uses less digits than its factorization.

20101202012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205252851.

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

Adding to 20101202012222 its reverse (22221020210102), we get a palindrome (42322222222324).

The spelling of 20101202012222 in words is "twenty trillion, one hundred one billion, two hundred two million, twelve thousand, two hundred twenty-two".