1101121010 has 64 divisors (see below), whose sum is σ = 2291587200. Its totient is φ = 377126400.

The previous prime is 1101121009. The next prime is 1101121033. The reversal of 1101121010 is 101211011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126581 + ... + 134999.

It is an arithmetic number, because the mean of its divisors is an integer number (35806050).

Almost surely, 2^1101121010 is an apocalyptic number.

1101121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101121010 is an abundant number, since it is smaller than the sum of its proper divisors (1190466190).

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

1101121010 is a wasteful number, since it uses less digits than its factorization.

1101121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1101121010 is about 33183.1434617036. The cubic root of 1101121010 is about 1032.6306619579.

Adding to 1101121010 its reverse (101211011), we get a palindrome (1202332021).

Subtracting from 1101121010 its reverse (101211011), we obtain a palindrome (999909999).

The spelling of 1101121010 in words is "one billion, one hundred one million, one hundred twenty-one thousand, ten".