1111020011020 has 24 divisors (see below), whose sum is σ = 2333173195584. Its totient is φ = 444402066816.

The previous prime is 1111020010993. The next prime is 1111020011041. The reversal of 1111020011020 is 201100201111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1111020010988 and 1111020011006.

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, 1360269 + ... + 2018011.

It is an arithmetic number, because the mean of its divisors is an integer number (97215549816).

Almost surely, 2^{1111020011020} is an apocalyptic number.

1111020011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111020011020 is an abundant number, since it is smaller than the sum of its proper divisors (1222153184564).

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

1111020011020 is a wasteful number, since it uses less digits than its factorization.

1111020011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742209 (or 742207 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1111020011020 its reverse (201100201111), we get a palindrome (1312120212131).

The spelling of 1111020011020 in words is "one trillion, one hundred eleven billion, twenty million, eleven thousand, twenty".