12020022101 has 8 divisors (see below), whose sum is σ = 12292517400. Its totient is φ = 11750441472.

The previous prime is 12020022083. The next prime is 12020022103. The reversal of 12020022101 is 10122002021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 975063076 + 11044959025 = 31226^2 + 105095^2 .

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 12020022101 - 2¹⁴ = 12020005717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020022103) 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, 720326 + ... + 736823.

It is an arithmetic number, because the mean of its divisors is an integer number (1536564675).

Almost surely, 2^12020022101 is an apocalyptic number.

It is an amenable number.

12020022101 is a deficient number, since it is larger than the sum of its proper divisors (272495299).

12020022101 is a wasteful number, since it uses less digits than its factorization.

12020022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457335.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020022101 its reverse (10122002021), we get a palindrome (22142024122).

The spelling of 12020022101 in words is "twelve billion, twenty million, twenty-two thousand, one hundred one".