1123210131102 has 28 divisors (see below), whose sum is σ = 2526067232280. Its totient is φ = 374403376548.

The previous prime is 1123210131101. The next prime is 1123210131107. The reversal of 1123210131102 is 2011310123211.

1123210131102 is a `hidden beast` number, since 112 + 321 + 0 + 131 + 102 = 666.

It is a super-2 number, since 2×1123210131102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123210131101) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 385187202 + ... + 385190117.

Almost surely, 2^{1123210131102} is an apocalyptic number.

1123210131102 is an abundant number, since it is smaller than the sum of its proper divisors (1402857101178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123210131102 is an frugal number, since it uses more digits than its factorization.

1123210131102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770377339 (or 770377324 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1123210131102 its reverse (2011310123211), we get a palindrome (3134520254313).

The spelling of 1123210131102 in words is "one trillion, one hundred twenty-three billion, two hundred ten million, one hundred thirty-one thousand, one hundred two".