1211002002210 has 192 divisors, whose sum is σ = 3931869747456. Its totient is φ = 232280040960.

The previous prime is 1211002002187. The next prime is 1211002002239. The reversal of 1211002002210 is 122002001121.

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 95 ways as a sum of consecutive naturals, for example, 1502689 + ... + 2163348.

It is an arithmetic number, because the mean of its divisors is an integer number (20478488268).

Almost surely, 2^{1211002002210} is an apocalyptic number.

1211002002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211002002210 is an abundant number, since it is smaller than the sum of its proper divisors (2720867745246).

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

1211002002210 is a wasteful number, since it uses less digits than its factorization.

1211002002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666089 (or 3666078 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1211002002210 its reverse (122002001121), we get a palindrome (1333004003331).

The spelling of 1211002002210 in words is "one trillion, two hundred eleven billion, two million, two thousand, two hundred ten".