1123121031122 has 64 divisors (see below), whose sum is σ = 1770293145600. Its totient is φ = 533718097920.

The previous prime is 1123121031101. The next prime is 1123121031211. The reversal of 1123121031122 is 2211301213211.

It is a super-2 number, since 2×1123121031122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123121031094 and 1123121031103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698023454 + ... + 698025062.

It is an arithmetic number, because the mean of its divisors is an integer number (27660830400).

Almost surely, 2^{1123121031122} is an apocalyptic number.

1123121031122 is a deficient number, since it is larger than the sum of its proper divisors (647172114478).

1123121031122 is a wasteful number, since it uses less digits than its factorization.

1123121031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1123121031122 its reverse (2211301213211), we get a palindrome (3334422244333).

The spelling of 1123121031122 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-one million, thirty-one thousand, one hundred twenty-two".