101121111210 has 64 divisors (see below), whose sum is σ = 277925935104. Its totient is φ = 23066299200.

The previous prime is 101121111197. The next prime is 101121111233. The reversal of 101121111210 is 12111121101.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387246 + ... + 593465.

It is an arithmetic number, because the mean of its divisors is an integer number (4342592736).

Almost surely, 2^101121111210 is an apocalyptic number.

101121111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101121111210 is an abundant number, since it is smaller than the sum of its proper divisors (176804823894).

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

101121111210 is a wasteful number, since it uses less digits than its factorization.

101121111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981219.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101121111210 its reverse (12111121101), we get a palindrome (113232232311).

The spelling of 101121111210 in words is "one hundred one billion, one hundred twenty-one million, one hundred eleven thousand, two hundred ten".