1220101023329 has 16 divisors (see below), whose sum is σ = 1266199756800. Its totient is φ = 1174853783376.

The previous prime is 1220101023313. The next prime is 1220101023331. The reversal of 1220101023329 is 9233201010221.

It is a cyclic number.

It is not a de Polignac number, because 1220101023329 - 2⁴ = 1220101023313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220101023298 and 1220101023307.

It is not an unprimeable number, because it can be changed into a prime (1220101023359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1966112 + ... + 2511134.

It is an arithmetic number, because the mean of its divisors is an integer number (79137484800).

Almost surely, 2^{1220101023329} is an apocalyptic number.

It is an amenable number.

1220101023329 is a deficient number, since it is larger than the sum of its proper divisors (46098733471).

1220101023329 is an equidigital number, since it uses as much as digits as its factorization.

1220101023329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545804.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 1220101023329 in words is "one trillion, two hundred twenty billion, one hundred one million, twenty-three thousand, three hundred twenty-nine".