1121001210210 has 64 divisors (see below), whose sum is σ = 3074854966272. Its totient is φ = 256219782336.

The previous prime is 1121001210209. The next prime is 1121001210211. The reversal of 1121001210210 is 120121001211.

It is an interprime number because it is at equal distance from previous prime (1121001210209) and next prime (1121001210211).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121001210211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7189497 + ... + 7343763.

It is an arithmetic number, because the mean of its divisors is an integer number (48044608848).

Almost surely, 2^{1121001210210} is an apocalyptic number.

1121001210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121001210210 is an abundant number, since it is smaller than the sum of its proper divisors (1953853756062).

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

1121001210210 is a wasteful number, since it uses less digits than its factorization.

1121001210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188887.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121001210210 its reverse (120121001211), we get a palindrome (1241122211421).

The spelling of 1121001210210 in words is "one trillion, one hundred twenty-one billion, one million, two hundred ten thousand, two hundred ten".