1102001020988 has 24 divisors (see below), whose sum is σ = 2240133226464. Its totient is φ = 464543755200.

The previous prime is 1102001020969. The next prime is 1102001020999. The reversal of 1102001020988 is 8890201002011.

It is a super-2 number, since 2×1102001020988² (a number of 25 digits) contains 22 as substring.

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, 322598123 + ... + 322601538.

It is an arithmetic number, because the mean of its divisors is an integer number (93338884436).

Almost surely, 2^{1102001020988} is an apocalyptic number.

It is an amenable number.

1102001020988 is an abundant number, since it is smaller than the sum of its proper divisors (1138132205476).

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

1102001020988 is a wasteful number, since it uses less digits than its factorization.

1102001020988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645199733 (or 645199731 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

Adding to 1102001020988 its reverse (8890201002011), we get a palindrome (9992202022999).

The spelling of 1102001020988 in words is "one trillion, one hundred two billion, one million, twenty thousand, nine hundred eighty-eight".