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102101202101201 = 1012933450180857
BaseRepresentation
bin10111001101110001001001…
…111000011110001111010001
3111101111210001022202210100012
4113031301021320132033101
5101340311230214214301
61001052351132004305
730335365653255122
oct2715611170361721
9441453038683305
10102101202101201
112a5949708a4526
12b54ba92000695
1344c8143268724
141b2da2023c049
15bc0d472d9ebb
hex5cdc49e1e3d1

102101202101201 has 8 divisors (see below), whose sum is σ = 103464023569704. Its totient is φ = 100745280995200.

The previous prime is 102101202101189. The next prime is 102101202101251.

102101202101201 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 30146699341201 + 71954502760000 = 5490601^2 + 8482600^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102101202101201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102101202101251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725060836 + ... + 1725120021.

It is an arithmetic number, because the mean of its divisors is an integer number (12933002946213).

Almost surely, 2102101202101201 is an apocalyptic number.

It is an amenable number.

102101202101201 is a deficient number, since it is larger than the sum of its proper divisors (1362821468503).

102101202101201 is a wasteful number, since it uses less digits than its factorization.

102101202101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450181251.

The product of its (nonzero) digits is 16, while the sum is 14.

It can be divided in two parts, 10210120 and 2101201, that added together give a palindrome (12311321).

The spelling of 102101202101201 in words is "one hundred two trillion, one hundred one billion, two hundred two million, one hundred one thousand, two hundred one".

Divisors: 1 101 293 29593 3450180857 348468266557 1010902991101 102101202101201