1220021020110 has 16 divisors (see below), whose sum is σ = 2928050448336. Its totient is φ = 325338938688.

The previous prime is 1220021020091. The next prime is 1220021020123. The reversal of 1220021020110 is 110201200221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20333683639 + ... + 20333683698.

It is an arithmetic number, because the mean of its divisors is an integer number (183003153021).

Almost surely, 2^{1220021020110} is an apocalyptic number.

1220021020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220021020110 is an abundant number, since it is smaller than the sum of its proper divisors (1708029428226).

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

1220021020110 is a wasteful number, since it uses less digits than its factorization.

1220021020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40667367347.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220021020110 its reverse (110201200221), we get a palindrome (1330222220331).

The spelling of 1220021020110 in words is "one trillion, two hundred twenty billion, twenty-one million, twenty thousand, one hundred ten".