2101002120229 has 2 divisors, whose sum is σ = 2101002120230. Its totient is φ = 2101002120228.

The previous prime is 2101002120209. The next prime is 2101002120251. The reversal of 2101002120229 is 9220212001012.

It is an a-pointer prime, because the next prime (2101002120251) can be obtained adding 2101002120229 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1984463864100 + 116538256129 = 1408710^2 + 341377^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101002120229 - 2¹⁵ = 2101002087461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101002120209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050501060114 + 1050501060115.

It is an arithmetic number, because the mean of its divisors is an integer number (1050501060115).

Almost surely, 2^{2101002120229} is an apocalyptic number.

It is an amenable number.

2101002120229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101002120229 is an equidigital number, since it uses as much as digits as its factorization.

2101002120229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 2101002120229 in words is "two trillion, one hundred one billion, two million, one hundred twenty thousand, two hundred twenty-nine".