2043012101 has 12 divisors (see below), whose sum is σ = 2214633060. Its totient is φ = 1883831040.

The previous prime is 2043012079. The next prime is 2043012109. The reversal of 2043012101 is 1012103402.

It can be written as a sum of positive squares in 6 ways, for example, as 71740900 + 1971271201 = 8470^2 + 44399^2 .

It is not a de Polignac number, because 2043012101 - 2¹⁸ = 2042749957 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 (2043012109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164531 + ... + 176511.

It is an arithmetic number, because the mean of its divisors is an integer number (184552755).

Almost surely, 2^2043012101 is an apocalyptic number.

It is an amenable number.

2043012101 is a deficient number, since it is larger than the sum of its proper divisors (171620959).

2043012101 is a wasteful number, since it uses less digits than its factorization.

2043012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13016 (or 13003 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2043012101 is about 45199.6913816898. The cubic root of 2043012101 is about 1268.8890404345.

Adding to 2043012101 its reverse (1012103402), we get a palindrome (3055115503).

The spelling of 2043012101 in words is "two billion, forty-three million, twelve thousand, one hundred one".