1111002122020 has 24 divisors (see below), whose sum is σ = 2666405093184. Its totient is φ = 380915013216.

The previous prime is 1111002121973. The next prime is 1111002122033. The reversal of 1111002122020 is 202212001111.

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, 3967864582 + ... + 3967864861.

It is an arithmetic number, because the mean of its divisors is an integer number (111100212216).

Almost surely, 2^{1111002122020} is an apocalyptic number.

1111002122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111002122020 is an abundant number, since it is smaller than the sum of its proper divisors (1555402971164).

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

1111002122020 is a wasteful number, since it uses less digits than its factorization.

1111002122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935729459 (or 7935729457 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1111002122020 its reverse (202212001111), we get a palindrome (1313214123131).

The spelling of 1111002122020 in words is "one trillion, one hundred eleven billion, two million, one hundred twenty-two thousand, twenty".