1222010101021 has 8 divisors (see below), whose sum is σ = 1225819018944. Its totient is φ = 1218202265280.

The previous prime is 1222010101007. The next prime is 1222010101043. The reversal of 1222010101021 is 1201010102221.

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 1222010101021 - 2¹⁷ = 1222009969949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222010100992 and 1222010101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222010101001) 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, 2021586 + ... + 2555548.

It is an arithmetic number, because the mean of its divisors is an integer number (153227377368).

Almost surely, 2^{1222010101021} is an apocalyptic number.

It is an amenable number.

1222010101021 is a deficient number, since it is larger than the sum of its proper divisors (3808917923).

1222010101021 is an equidigital number, since it uses as much as digits as its factorization.

1222010101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541091.

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

Adding to 1222010101021 its reverse (1201010102221), we get a palindrome (2423020203242).

The spelling of 1222010101021 in words is "one trillion, two hundred twenty-two billion, ten million, one hundred one thousand, twenty-one".