1102211120121 has 32 divisors (see below), whose sum is σ = 1544860584960. Its totient is φ = 698128611264.

The previous prime is 1102211120107. The next prime is 1102211120141. The reversal of 1102211120121 is 1210211122011.

It is a happy number.

It is not a de Polignac number, because 1102211120121 - 2⁵ = 1102211120089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102211120121.

It is not an unprimeable number, because it can be changed into a prime (1102211120141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18408210 + ... + 18467988.

It is an arithmetic number, because the mean of its divisors is an integer number (48276893280).

Almost surely, 2^{1102211120121} is an apocalyptic number.

It is an amenable number.

1102211120121 is a deficient number, since it is larger than the sum of its proper divisors (442649464839).

1102211120121 is a wasteful number, since it uses less digits than its factorization.

1102211120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63725.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1102211120121 its reverse (1210211122011), we get a palindrome (2312422242132).

The spelling of 1102211120121 in words is "one trillion, one hundred two billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty-one".