1222101001021 has 8 divisors (see below), whose sum is σ = 1226790544320. Its totient is φ = 1217411782272.

The previous prime is 1222101000997. The next prime is 1222101001103. The reversal of 1222101001021 is 1201001012221.

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 1222101001021 - 2²⁷ = 1221966783293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222101000992 and 1222101001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101001721) 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, 9732525 + ... + 9857293.

It is an arithmetic number, because the mean of its divisors is an integer number (153348818040).

Almost surely, 2^{1222101001021} is an apocalyptic number.

It is an amenable number.

1222101001021 is a deficient number, since it is larger than the sum of its proper divisors (4689543299).

1222101001021 is a wasteful number, since it uses less digits than its factorization.

1222101001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162275.

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

Adding to 1222101001021 its reverse (1201001012221), we get a palindrome (2423102013242).

The spelling of 1222101001021 in words is "one trillion, two hundred twenty-two billion, one hundred one million, one thousand, twenty-one".