11000022120121 has 8 divisors (see below), whose sum is σ = 11647159957224. Its totient is φ = 10352892917760.

The previous prime is 11000022120119. The next prime is 11000022120127. The reversal of 11000022120121 is 12102122000011.

It can be written as a sum of positive squares in 4 ways, for example, as 7884218173225 + 3115803946896 = 2807885^2 + 1765164^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11000022120121 - 2¹ = 11000022120119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000022120127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562101 + ... + 4723981.

It is an arithmetic number, because the mean of its divisors is an integer number (1455894994653).

Almost surely, 2^{11000022120121} is an apocalyptic number.

It is an amenable number.

11000022120121 is a deficient number, since it is larger than the sum of its proper divisors (647137837103).

11000022120121 is a wasteful number, since it uses less digits than its factorization.

11000022120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317371.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11000022120121 its reverse (12102122000011), we get a palindrome (23102144120132).

The spelling of 11000022120121 in words is "eleven trillion, twenty-two million, one hundred twenty thousand, one hundred twenty-one".