201202302021 has 24 divisors (see below), whose sum is σ = 318708650880. Its totient is φ = 112526511552.

The previous prime is 201202302019. The next prime is 201202302023. The reversal of 201202302021 is 120203202102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201202302019) and next prime (201202302023).

It is not a de Polignac number, because 201202302021 - 2¹ = 201202302019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202302023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14553976 + ... + 14567793.

It is an arithmetic number, because the mean of its divisors is an integer number (13279527120).

Almost surely, 2^201202302021 is an apocalyptic number.

201202302021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201202302021 is a deficient number, since it is larger than the sum of its proper divisors (117506348859).

201202302021 is a wasteful number, since it uses less digits than its factorization.

201202302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29121833 (or 29121826 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201202302021 its reverse (120203202102), we get a palindrome (321405504123).

The spelling of 201202302021 in words is "two hundred one billion, two hundred two million, three hundred two thousand, twenty-one".