11020111002021 has 16 divisors (see below), whose sum is σ = 16187957840448. Its totient is φ = 6612727872000.

The previous prime is 11020111001983. The next prime is 11020111002023. The reversal of 11020111002021 is 12020011102011.

It is not a de Polignac number, because 11020111002021 - 2⁶ = 11020111001957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020111001988 and 11020111002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020111002023) 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, 1653178636 + ... + 1653185301.

It is an arithmetic number, because the mean of its divisors is an integer number (1011747365028).

Almost surely, 2^{11020111002021} is an apocalyptic number.

11020111002021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020111002021 is a deficient number, since it is larger than the sum of its proper divisors (5167846838427).

11020111002021 is a wasteful number, since it uses less digits than its factorization.

11020111002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306364052.

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

Adding to 11020111002021 its reverse (12020011102011), we get a palindrome (23040122104032).

The spelling of 11020111002021 in words is "eleven trillion, twenty billion, one hundred eleven million, two thousand, twenty-one".