1121311203132 has 48 divisors (see below), whose sum is σ = 2681995155840. Its totient is φ = 364429520448.

The previous prime is 1121311203121. The next prime is 1121311203143. The reversal of 1121311203132 is 2313021131211.

It is an interprime number because it is at equal distance from previous prime (1121311203121) and next prime (1121311203143).

It is a junction number, because it is equal to n+sod(n) for n = 1121311203099 and 1121311203108.

It is a congruent number.

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, 1639407 + ... + 2220422.

It is an arithmetic number, because the mean of its divisors is an integer number (55874899080).

Almost surely, 2^{1121311203132} is an apocalyptic number.

1121311203132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121311203132 is an abundant number, since it is smaller than the sum of its proper divisors (1560683952708).

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

1121311203132 is a wasteful number, since it uses less digits than its factorization.

1121311203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860442 (or 3860440 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1121311203132 its reverse (2313021131211), we get a palindrome (3434332334343).

The spelling of 1121311203132 in words is "one trillion, one hundred twenty-one billion, three hundred eleven million, two hundred three thousand, one hundred thirty-two".