20212222111010 has 16 divisors (see below), whose sum is σ = 36382132233216. Its totient is φ = 8084859414768.

The previous prime is 20212222111007. The next prime is 20212222111049. The reversal of 20212222111010 is 1011122221202.

It is a self number, because there is not a number n which added to its sum of digits gives 20212222111010.

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, 677564 + ... + 6394023.

It is an arithmetic number, because the mean of its divisors is an integer number (2273883264576).

Almost surely, 2^{20212222111010} is an apocalyptic number.

20212222111010 is a deficient number, since it is larger than the sum of its proper divisors (16169910122206).

20212222111010 is a wasteful number, since it uses less digits than its factorization.

20212222111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357417.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20212222111010 its reverse (1011122221202), we get a palindrome (21223344332212).

It can be divided in two parts, 20212 and 222111010, that added together give a palindrome (222131222).

The spelling of 20212222111010 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two million, one hundred eleven thousand, ten".