1123121054402 has 16 divisors (see below), whose sum is σ = 1687565944800. Its totient is φ = 560599619040.

The previous prime is 1123121054401. The next prime is 1123121054483. The reversal of 1123121054402 is 2044501213211.

It is a happy number.

It is a super-2 number, since 2×1123121054402² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123121054401) 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, 4031702 + ... + 4301262.

It is an arithmetic number, because the mean of its divisors is an integer number (105472871550).

Almost surely, 2^{1123121054402} is an apocalyptic number.

1123121054402 is a deficient number, since it is larger than the sum of its proper divisors (564444890398).

1123121054402 is a wasteful number, since it uses less digits than its factorization.

1123121054402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273121.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1123121054402 its reverse (2044501213211), we get a palindrome (3167622267613).

The spelling of 1123121054402 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-one million, fifty-four thousand, four hundred two".