1220020011110 has 32 divisors (see below), whose sum is σ = 2201866021152. Its totient is φ = 486714009600.

The previous prime is 1220020011079. The next prime is 1220020011113. The reversal of 1220020011110 is 111100200221.

It is a junction number, because it is equal to n+sod(n) for n = 1220020011091 and 1220020011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220020011113) 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, 6209885 + ... + 6403335.

It is an arithmetic number, because the mean of its divisors is an integer number (68808313161).

Almost surely, 2^{1220020011110} is an apocalyptic number.

1220020011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220020011110 is a deficient number, since it is larger than the sum of its proper divisors (981846010042).

1220020011110 is a wasteful number, since it uses less digits than its factorization.

1220020011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195128.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220020011110 its reverse (111100200221), we get a palindrome (1331120211331).

The spelling of 1220020011110 in words is "one trillion, two hundred twenty billion, twenty million, eleven thousand, one hundred ten".