1112210121001 has 16 divisors (see below), whose sum is σ = 1278548915328. Its totient is φ = 947735136000.

The previous prime is 1112210120933. The next prime is 1112210121007. The reversal of 1112210121001 is 1001210122111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1112210121001 - 2¹⁵ = 1112210088233 is a prime.

It is a super-2 number, since 2×1112210121001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112210121007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18681441 + ... + 18740881.

It is an arithmetic number, because the mean of its divisors is an integer number (79909307208).

Almost surely, 2^{1112210121001} is an apocalyptic number.

It is an amenable number.

1112210121001 is a deficient number, since it is larger than the sum of its proper divisors (166338794327).

1112210121001 is a wasteful number, since it uses less digits than its factorization.

1112210121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75072.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1112210121001 its reverse (1001210122111), we get a palindrome (2113420243112).

The spelling of 1112210121001 in words is "one trillion, one hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, one".