20122221010210 has 16 divisors (see below), whose sum is σ = 39512724892992. Its totient is φ = 7317171276400.

The previous prime is 20122221010183. The next prime is 20122221010271. The reversal of 20122221010210 is 1201012222102.

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, 91464640846 + ... + 91464641065.

It is an arithmetic number, because the mean of its divisors is an integer number (2469545305812).

Almost surely, 2^{20122221010210} is an apocalyptic number.

20122221010210 is a deficient number, since it is larger than the sum of its proper divisors (19390503882782).

20122221010210 is a wasteful number, since it uses less digits than its factorization.

20122221010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182929281929.

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

Adding to 20122221010210 its reverse (1201012222102), we get a palindrome (21323233232312).

The spelling of 20122221010210 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, ten thousand, two hundred ten".