1123156211210 has 32 divisors (see below), whose sum is σ = 2206437758784. Its totient is φ = 408241296000.

The previous prime is 1123156211197. The next prime is 1123156211251. The reversal of 1123156211210 is 121126513211.

It is a super-3 number, since 3×1123156211210³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1123156211210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987256 + ... + 2489075.

It is an arithmetic number, because the mean of its divisors is an integer number (68951179962).

Almost surely, 2^{1123156211210} is an apocalyptic number.

1123156211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123156211210 is a deficient number, since it is larger than the sum of its proper divisors (1083281547574).

1123156211210 is a wasteful number, since it uses less digits than its factorization.

1123156211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478630.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 1123156211210 in words is "one trillion, one hundred twenty-three billion, one hundred fifty-six million, two hundred eleven thousand, two hundred ten".