20010010221222 has 32 divisors (see below), whose sum is σ = 45811778295552. Its totient is φ = 5707819268064.

The previous prime is 20010010221211. The next prime is 20010010221263. The reversal of 20010010221222 is 22212201001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388578508 + ... + 388629999.

It is an arithmetic number, because the mean of its divisors is an integer number (1431618071736).

Almost surely, 2^{20010010221222} is an apocalyptic number.

20010010221222 is an abundant number, since it is smaller than the sum of its proper divisors (25801768074330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010010221222 is a wasteful number, since it uses less digits than its factorization.

20010010221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777209132.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20010010221222 its reverse (22212201001002), we get a palindrome (42222211222224).

The spelling of 20010010221222 in words is "twenty trillion, ten billion, ten million, two hundred twenty-one thousand, two hundred twenty-two".