1210122100011 has 72 divisors (see below), whose sum is σ = 1867229047152. Its totient is φ = 696169267200.

The previous prime is 1210122100001. The next prime is 1210122100021. The reversal of 1210122100011 is 1100012210121.

It is an interprime number because it is at equal distance from previous prime (1210122100001) and next prime (1210122100021).

It is not a de Polignac number, because 1210122100011 - 2¹⁵ = 1210122067243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1210122100011.

It is not an unprimeable number, because it can be changed into a prime (1210122100001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20345131 + ... + 20404523.

It is an arithmetic number, because the mean of its divisors is an integer number (25933736766).

Almost surely, 2^{1210122100011} is an apocalyptic number.

1210122100011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1210122100011 is a deficient number, since it is larger than the sum of its proper divisors (657106947141).

1210122100011 is a wasteful number, since it uses less digits than its factorization.

1210122100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59533 (or 59485 counting only the distinct ones).

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

Adding to 1210122100011 its reverse (1100012210121), we get a palindrome (2310134310132).

It can be divided in two parts, 1210 and 122100011, that added together give a palindrome (122101221).

The spelling of 1210122100011 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, one hundred thousand, eleven".