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102101202020101 = 439798724232261
BaseRepresentation
bin10111001101110001001001…
…111000001010011100000101
3111101111210001022121200002111
4113031301021320022130011
5101340311230204120401
61001052351130141021
730335365652466514
oct2715611170123405
9441453038550074
10102101202020101
112a5949708495a9
12b54ba91b81771
1344c814323a83b
141b2da2021a67b
15bc0d472c0e51
hex5cdc49e0a705

102101202020101 has 8 divisors (see below), whose sum is σ = 104476719109664. Its totient is φ = 99725733591120.

The previous prime is 102101202019979. The next prime is 102101202020137. The reversal of 102101202020101 is 101020202101201.

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

It is a cyclic number.

It is not a de Polignac number, because 102101202020101 - 29 = 102101202019589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101202020201) 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, 7902690 + ... + 16329571.

It is an arithmetic number, because the mean of its divisors is an integer number (13059589888708).

Almost surely, 2102101202020101 is an apocalyptic number.

It is an amenable number.

102101202020101 is a deficient number, since it is larger than the sum of its proper divisors (2375517089563).

102101202020101 is an equidigital number, since it uses as much as digits as its factorization.

102101202020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24330291.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102101202020101 its reverse (101020202101201), we get a palindrome (203121404121302).

The spelling of 102101202020101 in words is "one hundred two trillion, one hundred one billion, two hundred two million, twenty thousand, one hundred one".

Divisors: 1 43 97987 4213441 24232261 1041987223 2374446558607 102101202020101