1101211142 has 32 divisors (see below), whose sum is σ = 1817251200. Its totient is φ = 498147328.

The previous prime is 1101211141. The next prime is 1101211183. The reversal of 1101211142 is 2411121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101211141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233318 + ... + 237990.

It is an arithmetic number, because the mean of its divisors is an integer number (56789100).

Almost surely, 2^1101211142 is an apocalyptic number.

1101211142 is a deficient number, since it is larger than the sum of its proper divisors (716040058).

1101211142 is a wasteful number, since it uses less digits than its factorization.

1101211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1101211142 is about 33184.5015330952. The cubic root of 1101211142 is about 1032.6588364354.

Adding to 1101211142 its reverse (2411121011), we get a palindrome (3512332153).

The spelling of 1101211142 in words is "one billion, one hundred one million, two hundred eleven thousand, one hundred forty-two".