222222000211020 has 96 divisors (see below), whose sum is σ = 691365561546240. Its totient is φ = 59258494837440.

The previous prime is 222222000210853. The next prime is 222222000211027. The reversal of 222222000211020 is 20112000222222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222222000210984 and 222222000211002.

It is not an unprimeable number, because it can be changed into a prime (222222000211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43776505 + ... + 48588335.

It is an arithmetic number, because the mean of its divisors is an integer number (7201724599440).

Almost surely, 2^{222222000211020} is an apocalyptic number.

222222000211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222000211020 is an abundant number, since it is smaller than the sum of its proper divisors (469143561335220).

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

222222000211020 is a wasteful number, since it uses less digits than its factorization.

222222000211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897372 (or 4897364 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222222000211020 its reverse (20112000222222), we get a palindrome (242334000433242).

The spelling of 222222000211020 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred eleven thousand, twenty".