11012020012100 has 18 divisors (see below), whose sum is σ = 23896083426474. Its totient is φ = 4404808004800.

The previous prime is 11012020012069. The next prime is 11012020012117. The reversal of 11012020012100 is 121002021011.

It can be written as a sum of positive squares in 3 ways, for example, as 57919160896 + 10954100851204 = 240664^2 + 3309698^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55060099961 + ... + 55060100160.

Almost surely, 2^{11012020012100} is an apocalyptic number.

11012020012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012020012100 is an abundant number, since it is smaller than the sum of its proper divisors (12884063414374).

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

11012020012100 is a wasteful number, since it uses less digits than its factorization.

11012020012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110120200135 (or 110120200128 counting only the distinct ones).

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

Adding to 11012020012100 its reverse (121002021011), we get a palindrome (11133022033111).

The spelling of 11012020012100 in words is "eleven trillion, twelve billion, twenty million, twelve thousand, one hundred".