11121001212029 has 4 divisors (see below), whose sum is σ = 11138350668540. Its totient is φ = 11103651755520.

The previous prime is 11121001211981. The next prime is 11121001212059. The reversal of 11121001212029 is 92021210012111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10650236440900 + 470764771129 = 3263470^2 + 686123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121001212029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121001211995 and 11121001212013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121001212059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8674727294 + ... + 8674728575.

It is an arithmetic number, because the mean of its divisors is an integer number (2784587667135).

Almost surely, 2^{11121001212029} is an apocalyptic number.

It is an amenable number.

11121001212029 is a deficient number, since it is larger than the sum of its proper divisors (17349456511).

11121001212029 is an equidigital number, since it uses as much as digits as its factorization.

11121001212029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17349456510.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 11121001212029 in words is "eleven trillion, one hundred twenty-one billion, one million, two hundred twelve thousand, twenty-nine".