1101213132 has 24 divisors (see below), whose sum is σ = 2579502576. Its totient is φ = 365641728.

The previous prime is 1101213121. The next prime is 1101213151. The reversal of 1101213132 is 2313121011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175453 + ... + 181620.

It is an arithmetic number, because the mean of its divisors is an integer number (107479274).

Almost surely, 2^1101213132 is an apocalyptic number.

1101213132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101213132 is an abundant number, since it is smaller than the sum of its proper divisors (1478289444).

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

1101213132 is a wasteful number, since it uses less digits than its factorization.

1101213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357337 (or 357335 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1101213132 is about 33184.5315169583. The cubic root of 1101213132 is about 1032.6594584747.

Adding to 1101213132 its reverse (2313121011), we get a palindrome (3414334143).

The spelling of 1101213132 in words is "one billion, one hundred one million, two hundred thirteen thousand, one hundred thirty-two".