1122020010121 has 8 divisors (see below), whose sum is σ = 1122803728200. Its totient is φ = 1121236402560.

The previous prime is 1122020010119. The next prime is 1122020010197. The reversal of 1122020010121 is 1210100202211.

It can be written as a sum of positive squares in 4 ways, for example, as 21188878096 + 1100831132025 = 145564^2 + 1049205^2 .

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 1122020010121 - 2¹ = 1122020010119 is a prime.

It is a super-2 number, since 2×1122020010121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122020910121) 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, 35557611 + ... + 35589151.

It is an arithmetic number, because the mean of its divisors is an integer number (140350466025).

Almost surely, 2^{1122020010121} is an apocalyptic number.

It is an amenable number.

1122020010121 is a deficient number, since it is larger than the sum of its proper divisors (783718079).

1122020010121 is a wasteful number, since it uses less digits than its factorization.

1122020010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55259.

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

Adding to 1122020010121 its reverse (1210100202211), we get a palindrome (2332120212332).

The spelling of 1122020010121 in words is "one trillion, one hundred twenty-two billion, twenty million, ten thousand, one hundred twenty-one".