1123122020402 has 8 divisors (see below), whose sum is σ = 1685419671936. Its totient is φ = 561315463092.

The previous prime is 1123122020357. The next prime is 1123122020413. The reversal of 1123122020402 is 2040202213211.

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

It is a super-2 number, since 2×1123122020402² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122767838 + ... + 122776985.

It is an arithmetic number, because the mean of its divisors is an integer number (210677458992).

Almost surely, 2^{1123122020402} is an apocalyptic number.

1123122020402 is a deficient number, since it is larger than the sum of its proper divisors (562297651534).

1123122020402 is a wasteful number, since it uses less digits than its factorization.

1123122020402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245547112.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1123122020402 its reverse (2040202213211), we get a palindrome (3163324233613).

The spelling of 1123122020402 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-two million, twenty thousand, four hundred two".