1101002222121 has 16 divisors (see below), whose sum is σ = 1488757874688. Its totient is φ = 723625120400.

The previous prime is 1101002222107. The next prime is 1101002222141. The reversal of 1101002222121 is 1212222001011.

It is a cyclic number.

It is not a de Polignac number, because 1101002222121 - 2⁶ = 1101002222057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101002222121.

It is not an unprimeable number, because it can be changed into a prime (1101002222141) 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, 4220920 + ... + 4474166.

It is an arithmetic number, because the mean of its divisors is an integer number (93047367168).

Almost surely, 2^{1101002222121} is an apocalyptic number.

It is an amenable number.

1101002222121 is a deficient number, since it is larger than the sum of its proper divisors (387755652567).

1101002222121 is a wasteful number, since it uses less digits than its factorization.

1101002222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273732.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1101002222121 its reverse (1212222001011), we get a palindrome (2313224223132).

The spelling of 1101002222121 in words is "one trillion, one hundred one billion, two million, two hundred twenty-two thousand, one hundred twenty-one".