1211121121062 has 128 divisors (see below), whose sum is σ = 2803459507200. Its totient is φ = 346223517696.

The previous prime is 1211121121061. The next prime is 1211121121121. The reversal of 1211121121062 is 2601211211121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211121121061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14740158 + ... + 14822094.

It is an arithmetic number, because the mean of its divisors is an integer number (21902027400).

Almost surely, 2^{1211121121062} is an apocalyptic number.

1211121121062 is an abundant number, since it is smaller than the sum of its proper divisors (1592338386138).

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

1211121121062 is a wasteful number, since it uses less digits than its factorization.

1211121121062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82270.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 1211121121062 its reverse (2601211211121), we get a palindrome (3812332332183).

The spelling of 1211121121062 in words is "one trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, sixty-two".