201202102101 has 96 divisors (see below), whose sum is σ = 370189467648. Its totient is φ = 95542796160.

The previous prime is 201202102091. The next prime is 201202102103. The reversal of 201202102101 is 101201202102.

It is not a de Polignac number, because 201202102101 - 2⁷ = 201202101973 is a prime.

It is a super-2 number, since 2×201202102101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202102103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2118700 + ... + 2211626.

It is an arithmetic number, because the mean of its divisors is an integer number (3856140288).

Almost surely, 2^201202102101 is an apocalyptic number.

201202102101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201202102101 is a deficient number, since it is larger than the sum of its proper divisors (168987365547).

201202102101 is a wasteful number, since it uses less digits than its factorization.

201202102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93071 (or 93064 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201202102101 its reverse (101201202102), we get a palindrome (302403304203).

It can be divided in two parts, 201202102 and 101, that multiplied together give a palindrome (20321412302).

The spelling of 201202102101 in words is "two hundred one billion, two hundred two million, one hundred two thousand, one hundred one".