1121000101210 has 64 divisors (see below), whose sum is σ = 2231889012864. Its totient is φ = 401962521600.

The previous prime is 1121000101141. The next prime is 1121000101217. The reversal of 1121000101210 is 121010001211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1121000101217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43485625 + ... + 43511395.

It is an arithmetic number, because the mean of its divisors is an integer number (34873265826).

Almost surely, 2^{1121000101210} is an apocalyptic number.

1121000101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121000101210 is a deficient number, since it is larger than the sum of its proper divisors (1110888911654).

1121000101210 is a wasteful number, since it uses less digits than its factorization.

1121000101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31279.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1121000101210 its reverse (121010001211), we get a palindrome (1242010102421).

Subtracting from 1121000101210 its reverse (121010001211), we obtain a palindrome (999990099999).

The spelling of 1121000101210 in words is "one trillion, one hundred twenty-one billion, one hundred one thousand, two hundred ten".