1011211140 has 24 divisors (see below), whose sum is σ = 2831391360. Its totient is φ = 269656288.

The previous prime is 1011211127. The next prime is 1011211163. The reversal of 1011211140 is 411121101.

1011211140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 8426700 + ... + 8426819.

It is an arithmetic number, because the mean of its divisors is an integer number (117974640).

Almost surely, 2^1011211140 is an apocalyptic number.

1011211140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011211140 is an abundant number, since it is smaller than the sum of its proper divisors (1820180220).

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

1011211140 is a wasteful number, since it uses less digits than its factorization.

1011211140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16853531 (or 16853529 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1011211140 is about 31799.5462231775. The cubic root of 1011211140 is about 1003.7231674870.

Adding to 1011211140 its reverse (411121101), we get a palindrome (1422332241).

The spelling of 1011211140 in words is "one billion, eleven million, two hundred eleven thousand, one hundred forty".