11000002122021 has 64 divisors (see below), whose sum is σ = 16862352998400. Its totient is φ = 6313177506240.

The previous prime is 11000002121987. The next prime is 11000002122023. The reversal of 11000002122021 is 12022120000011.

It is not a de Polignac number, because 11000002122021 - 2²⁶ = 10999935013157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11000002121988 and 11000002122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000002122023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 320430360 + ... + 320464686.

It is an arithmetic number, because the mean of its divisors is an integer number (263474265600).

Almost surely, 2^{11000002122021} is an apocalyptic number.

11000002122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11000002122021 is a deficient number, since it is larger than the sum of its proper divisors (5862350876379).

11000002122021 is a wasteful number, since it uses less digits than its factorization.

11000002122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38566.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11000002122021 its reverse (12022120000011), we get a palindrome (23022122122032).

The spelling of 11000002122021 in words is "eleven trillion, two million, one hundred twenty-two thousand, twenty-one".