1121022120001 has 48 divisors (see below), whose sum is σ = 1359729400320. Its totient is φ = 920486972160.

The previous prime is 1121022119977. The next prime is 1121022120041. The reversal of 1121022120001 is 1000212201211.

It is not a de Polignac number, because 1121022120001 - 2¹¹ = 1121022117953 is a prime.

It is a super-3 number, since 3×1121022120001³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121022120041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 401942715 + ... + 401945503.

It is an arithmetic number, because the mean of its divisors is an integer number (28327695840).

Almost surely, 2^{1121022120001} is an apocalyptic number.

It is an amenable number.

1121022120001 is a deficient number, since it is larger than the sum of its proper divisors (238707280319).

1121022120001 is a wasteful number, since it uses less digits than its factorization.

1121022120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414 (or 5407 counting only the distinct ones).

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

Adding to 1121022120001 its reverse (1000212201211), we get a palindrome (2121234321212).

The spelling of 1121022120001 in words is "one trillion, one hundred twenty-one billion, twenty-two million, one hundred twenty thousand, one".