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103201202121 = 3619118746819
BaseRepresentation
bin110000000011101000…
…1010101111111001001
3100212101021021021000020
41200013101111333021
53142324001431441
6115224315531053
710312264513203
oct1400721257711
9325337237006
10103201202121
113a84942a696
1218001a59a89
139968aac494
144dd027d773
152a402c3e66
hex1807455fc9

103201202121 has 16 divisors (see below), whose sum is σ = 137942956800. Its totient is φ = 68630318928.

The previous prime is 103201202063. The next prime is 103201202179. The reversal of 103201202121 is 121202102301.

It is an interprime number because it is at equal distance from previous prime (103201202063) and next prime (103201202179).

It is not a de Polignac number, because 103201202121 - 27 = 103201201993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103201202121.

It is not an unprimeable number, because it can be changed into a prime (103201201121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2180850 + ... + 2227668.

It is an arithmetic number, because the mean of its divisors is an integer number (8621434800).

Almost surely, 2103201202121 is an apocalyptic number.

It is an amenable number.

103201202121 is a deficient number, since it is larger than the sum of its proper divisors (34741754679).

103201202121 is a wasteful number, since it uses less digits than its factorization.

103201202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48628.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 103201202121 its reverse (121202102301), we get a palindrome (224403304422).

The spelling of 103201202121 in words is "one hundred three billion, two hundred one million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 3 619 1187 1857 3561 46819 140457 734753 2204259 28980961 55574153 86942883 166722459 34400400707 103201202121