222212100011020 has 96 divisors (see below), whose sum is σ = 550526980018176. Its totient is φ = 73727428780800.

The previous prime is 222212100010987. The next prime is 222212100011023. The reversal of 222212100011020 is 20110001212222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222212100010985 and 222212100011003.

It is not an unprimeable number, because it can be changed into a prime (222212100011023) 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, 170010790 + ... + 171312850.

It is an arithmetic number, because the mean of its divisors is an integer number (5734656041856).

Almost surely, 2^{222212100011020} is an apocalyptic number.

222212100011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212100011020 is an abundant number, since it is smaller than the sum of its proper divisors (328314880007156).

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

222212100011020 is a wasteful number, since it uses less digits than its factorization.

222212100011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341431 (or 1341429 counting only the distinct ones).

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

Adding to 222212100011020 its reverse (20110001212222), we get a palindrome (242322101223242).

The spelling of 222212100011020 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred million, eleven thousand, twenty".