1210001122011 has 16 divisors (see below), whose sum is σ = 1800931904640. Its totient is φ = 716279733120.

The previous prime is 1210001121983. The next prime is 1210001122061. The reversal of 1210001122011 is 1102211000121.

It is not a de Polignac number, because 1210001122011 - 2¹⁹ = 1210000597723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210001122061) 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, 426355566 + ... + 426358403.

It is an arithmetic number, because the mean of its divisors is an integer number (112558244040).

Almost surely, 2^{1210001122011} is an apocalyptic number.

1210001122011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1210001122011 is a deficient number, since it is larger than the sum of its proper divisors (590930782629).

1210001122011 is a wasteful number, since it uses less digits than its factorization.

1210001122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852714026.

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

Adding to 1210001122011 its reverse (1102211000121), we get a palindrome (2312212122132).

The spelling of 1210001122011 in words is "one trillion, two hundred ten billion, one million, one hundred twenty-two thousand, eleven".