1220101220023 has 8 divisors (see below), whose sum is σ = 1394841710592. Its totient is φ = 1045470808536.

The previous prime is 1220101220003. The next prime is 1220101220047. The reversal of 1220101220023 is 3200221010221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220101220023 - 2⁵ = 1220101219991 is a prime.

It is a super-3 number, since 3×1220101220023³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220101219979 and 1220101220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220101220003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27496015 + ... + 27540352.

It is an arithmetic number, because the mean of its divisors is an integer number (174355213824).

Almost surely, 2^{1220101220023} is an apocalyptic number.

1220101220023 is a deficient number, since it is larger than the sum of its proper divisors (174740490569).

1220101220023 is an equidigital number, since it uses as much as digits as its factorization.

1220101220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55039541.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1220101220023 its reverse (3200221010221), we get a palindrome (4420322230244).

The spelling of 1220101220023 in words is "one trillion, two hundred twenty billion, one hundred one million, two hundred twenty thousand, twenty-three".