2101201029 has 12 divisors (see below), whose sum is σ = 3117097516. Its totient is φ = 1362940992.

The previous prime is 2101201009. The next prime is 2101201033. The reversal of 2101201029 is 9201021012.

It can be written as a sum of positive squares in 2 ways, for example, as 1931602500 + 169598529 = 43950^2 + 13023^2 .

It is not a de Polignac number, because 2101201029 - 2¹⁶ = 2101135493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101201009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3154624 + ... + 3155289.

Almost surely, 2^2101201029 is an apocalyptic number.

It is an amenable number.

2101201029 is a deficient number, since it is larger than the sum of its proper divisors (1015896487).

2101201029 is a wasteful number, since it uses less digits than its factorization.

2101201029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309956 (or 6309953 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 2101201029 is about 45838.8593771704. The cubic root of 2101201029 is about 1280.8232474639.

The spelling of 2101201029 in words is "two billion, one hundred one million, two hundred one thousand, twenty-nine".