1102011123121 has 8 divisors (see below), whose sum is σ = 1167749061480. Its totient is φ = 1036374713088.

The previous prime is 1102011123097. The next prime is 1102011123127. The reversal of 1102011123121 is 1213211102011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 734697551025 + 367313572096 = 857145^2 + 606064^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1102011123121 - 2¹³ = 1102011114929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102011123095 and 1102011123104.

It is not an unprimeable number, because it can be changed into a prime (1102011123127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25359726 + ... + 25403143.

It is an arithmetic number, because the mean of its divisors is an integer number (145968632685).

Almost surely, 2^{1102011123121} is an apocalyptic number.

It is an amenable number.

1102011123121 is a deficient number, since it is larger than the sum of its proper divisors (65737938359).

1102011123121 is a wasteful number, since it uses less digits than its factorization.

1102011123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50764163.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1102011123121 its reverse (1213211102011), we get a palindrome (2315222225132).

The spelling of 1102011123121 in words is "one trillion, one hundred two billion, eleven million, one hundred twenty-three thousand, one hundred twenty-one".