1211001102210 has 32 divisors (see below), whose sum is σ = 2906646658560. Its totient is φ = 322906514688.

The previous prime is 1211001102197. The next prime is 1211001102229. The reversal of 1211001102210 is 122011001121.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329970 + ... + 2047149.

It is an arithmetic number, because the mean of its divisors is an integer number (90832708080).

Almost surely, 2^{1211001102210} is an apocalyptic number.

1211001102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211001102210 is an abundant number, since it is smaller than the sum of its proper divisors (1695645556350).

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

1211001102210 is a wasteful number, since it uses less digits than its factorization.

1211001102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389082.

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

Adding to 1211001102210 its reverse (122011001121), we get a palindrome (1333012103331).

The spelling of 1211001102210 in words is "one trillion, two hundred eleven billion, one million, one hundred two thousand, two hundred ten".