1222010101121 has 8 divisors (see below), whose sum is σ = 1266280183080. Its totient is φ = 1177882139392.

The previous prime is 1222010101087. The next prime is 1222010101141. The reversal of 1222010101121 is 1211010102221.

It can be written as a sum of positive squares in 4 ways, for example, as 335051114896 + 886958986225 = 578836^2 + 941785^2 .

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 1222010101121 - 2¹⁰ = 1222010100097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222010101096 and 1222010101105.

It is not an unprimeable number, because it can be changed into a prime (1222010101141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35512550 + ... + 35546943.

It is an arithmetic number, because the mean of its divisors is an integer number (158285022885).

Almost surely, 2^{1222010101121} is an apocalyptic number.

It is an amenable number.

1222010101121 is a deficient number, since it is larger than the sum of its proper divisors (44270081959).

1222010101121 is an equidigital number, since it uses as much as digits as its factorization.

1222010101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71060115.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1222010101121 its reverse (1211010102221), we get a palindrome (2433020203342).

The spelling of 1222010101121 in words is "one trillion, two hundred twenty-two billion, ten million, one hundred one thousand, one hundred twenty-one".