222101120001020 has 96 divisors (see below), whose sum is σ = 523348785892800. Its totient is φ = 78609123016704.

The previous prime is 222101120000999. The next prime is 222101120001023. The reversal of 222101120001020 is 20100021101222.

It is a super-3 number, since 3×222101120001020³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222101120000986 and 222101120001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101120001023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104910149 + ... + 107006268.

It is an arithmetic number, because the mean of its divisors is an integer number (5451549853050).

Almost surely, 2^{222101120001020} is an apocalyptic number.

222101120001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101120001020 is an abundant number, since it is smaller than the sum of its proper divisors (301247665891780).

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

222101120001020 is a wasteful number, since it uses less digits than its factorization.

222101120001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211916607 (or 211916605 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222101120001020 its reverse (20100021101222), we get a palindrome (242201141102242).

The spelling of 222101120001020 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred twenty million, one thousand, twenty".