1211442001022 has 8 divisors (see below), whose sum is σ = 1982359638072. Its totient is φ = 550655455000.

The previous prime is 1211442001001. The next prime is 1211442001031. The reversal of 1211442001022 is 2201002441121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1211442001022³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211442000985 and 1211442001003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27532772729 + ... + 27532772772.

It is an arithmetic number, because the mean of its divisors is an integer number (247794954759).

Almost surely, 2^{1211442001022} is an apocalyptic number.

1211442001022 is a deficient number, since it is larger than the sum of its proper divisors (770917637050).

1211442001022 is a wasteful number, since it uses less digits than its factorization.

1211442001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55065545514.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1211442001022 its reverse (2201002441121), we get a palindrome (3412444442143).

The spelling of 1211442001022 in words is "one trillion, two hundred eleven billion, four hundred forty-two million, one thousand, twenty-two".