2012202101 has 12 divisors (see below), whose sum is σ = 2520781452. Its totient is φ = 1592071488.

The previous prime is 2012202079. The next prime is 2012202109. The reversal of 2012202101 is 1012022102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1098591025 + 913611076 = 33145^2 + 30226^2 .

It is not a de Polignac number, because 2012202101 - 2¹⁸ = 2011939957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012202109) 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, 1578800 + ... + 1580073.

It is an arithmetic number, because the mean of its divisors is an integer number (210065121).

Almost surely, 2^2012202101 is an apocalyptic number.

It is an amenable number.

2012202101 is a deficient number, since it is larger than the sum of its proper divisors (508579351).

2012202101 is a wasteful number, since it uses less digits than its factorization.

2012202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158900 (or 3158893 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2012202101 is about 44857.5757369923. The cubic root of 2012202101 is about 1262.4781372680.

Adding to 2012202101 its reverse (1012022102), we get a palindrome (3024224203).

The spelling of 2012202101 in words is "two billion, twelve million, two hundred two thousand, one hundred one".