1220102110321 has 16 divisors (see below), whose sum is σ = 1263734784000. Its totient is φ = 1176737965200.

The previous prime is 1220102110313. The next prime is 1220102110351. The reversal of 1220102110321 is 1230112010221.

It is not a de Polignac number, because 1220102110321 - 2³ = 1220102110313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220102110295 and 1220102110304.

It is not an unprimeable number, because it can be changed into a prime (1220102110301) 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, 104107300 + ... + 104119018.

It is an arithmetic number, because the mean of its divisors is an integer number (78983424000).

Almost surely, 2^{1220102110321} is an apocalyptic number.

It is an amenable number.

1220102110321 is a deficient number, since it is larger than the sum of its proper divisors (43632673679).

1220102110321 is a wasteful number, since it uses less digits than its factorization.

1220102110321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22860.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1220102110321 its reverse (1230112010221), we get a palindrome (2450214120542).

The spelling of 1220102110321 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred ten thousand, three hundred twenty-one".