1121210020210 has 32 divisors (see below), whose sum is σ = 2386023298560. Its totient is φ = 371159178432.

The previous prime is 1121210020207. The next prime is 1121210020253. The reversal of 1121210020210 is 120200121211.

It is a super-2 number, since 2×1121210020210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276158074 + ... + 276162133.

It is an arithmetic number, because the mean of its divisors is an integer number (74563228080).

Almost surely, 2^{1121210020210} is an apocalyptic number.

1121210020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121210020210 is an abundant number, since it is smaller than the sum of its proper divisors (1264813278350).

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

1121210020210 is a wasteful number, since it uses less digits than its factorization.

1121210020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552320250.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1121210020210 its reverse (120200121211), we get a palindrome (1241410141421).

The spelling of 1121210020210 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, twenty thousand, two hundred ten".