11200020111021 has 16 divisors (see below), whose sum is σ = 18070620683904. Its totient is φ = 6023540227584.

The previous prime is 11200020111019. The next prime is 11200020111031. The reversal of 11200020111021 is 12011102000211.

It is not a de Polignac number, because 11200020111021 - 2¹ = 11200020111019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11200020110988 and 11200020111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200020111031) 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, 15686302320 + ... + 15686303033.

It is an arithmetic number, because the mean of its divisors is an integer number (1129413792744).

Almost surely, 2^{11200020111021} is an apocalyptic number.

It is an amenable number.

11200020111021 is a deficient number, since it is larger than the sum of its proper divisors (6870600572883).

11200020111021 is a wasteful number, since it uses less digits than its factorization.

11200020111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31372605380.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11200020111021 its reverse (12011102000211), we get a palindrome (23211122111232).

The spelling of 11200020111021 in words is "eleven trillion, two hundred billion, twenty million, one hundred eleven thousand, twenty-one".