2121000110153 has 2 divisors, whose sum is σ = 2121000110154. Its totient is φ = 2121000110152.

The previous prime is 2121000110111. The next prime is 2121000110213. The reversal of 2121000110153 is 3510110001212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1889613135424 + 231386974729 = 1374632^2 + 481027^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121000110153 - 2¹⁴ = 2121000093769 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121000116153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060500055076 + 1060500055077.

It is an arithmetic number, because the mean of its divisors is an integer number (1060500055077).

Almost surely, 2^{2121000110153} is an apocalyptic number.

It is an amenable number.

2121000110153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121000110153 is an equidigital number, since it uses as much as digits as its factorization.

2121000110153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 2121000110153 its reverse (3510110001212), we get a palindrome (5631110111365).

The spelling of 2121000110153 in words is "two trillion, one hundred twenty-one billion, one hundred ten thousand, one hundred fifty-three".