1121001112210 has 32 divisors (see below), whose sum is σ = 2307241700352. Its totient is φ = 384146193600.

The previous prime is 1121001112183. The next prime is 1121001112211. The reversal of 1121001112210 is 122111001211.

It is a happy number.

It is a super-2 number, since 2×1121001112210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121001112211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3967557 + ... + 4240696.

It is an arithmetic number, because the mean of its divisors is an integer number (72101303136).

Almost surely, 2^{1121001112210} is an apocalyptic number.

1121001112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121001112210 is an abundant number, since it is smaller than the sum of its proper divisors (1186240588142).

1121001112210 is a wasteful number, since it uses less digits than its factorization.

1121001112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210218.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121001112210 its reverse (122111001211), we get a palindrome (1243112113421).

The spelling of 1121001112210 in words is "one trillion, one hundred twenty-one billion, one million, one hundred twelve thousand, two hundred ten".