2130220121144 has 8 divisors (see below), whose sum is σ = 3994162727160. Its totient is φ = 1065110060568.

The previous prime is 2130220121143. The next prime is 2130220121209. The reversal of 2130220121144 is 4411210220312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130220121143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133138757564 + ... + 133138757579.

It is an arithmetic number, because the mean of its divisors is an integer number (499270340895).

Almost surely, 2^{2130220121144} is an apocalyptic number.

It is an amenable number.

2130220121144 is a deficient number, since it is larger than the sum of its proper divisors (1863942606016).

2130220121144 is a wasteful number, since it uses less digits than its factorization.

2130220121144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266277515149 (or 266277515145 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2130220121144 its reverse (4411210220312), we get a palindrome (6541430341456).

The spelling of 2130220121144 in words is "two trillion, one hundred thirty billion, two hundred twenty million, one hundred twenty-one thousand, one hundred forty-four".